feat: 支持多语言能力

2026-01-24 10:10:52 +08:00
parent 77c048b6a2
commit e2280b12e2
23 changed files with 2373 additions and 374 deletions
--- a/src/app/(dashboard)/tools/audio-compress/layout.tsx
+++ b/src/app/(dashboard)/tools/audio-compress/layout.tsx
@@ -0,0 +1,39 @@
+import type { Metadata } from "next";
+import { headers } from "next/headers";
+
+export async function generateMetadata(): Promise<Metadata> {
+  const headersList = await headers();
+  const acceptLanguage = headersList.get("accept-language") || "";
+  const lang = acceptLanguage.includes("zh") ? "zh" : "en";
+
+  const titles = {
+    en: "Audio Compression - Compress & Convert Audio Files",
+    zh: "音频压缩 - 压缩并转换音频文件",
+  };
+
+  const descriptions = {
+    en: "Compress and convert audio files to various formats including MP3, AAC, OGG, FLAC. Adjust bitrate and sample rate for optimal quality.",
+    zh: "压缩并转换音频文件为多种格式，包括 MP3、AAC、OGG、FLAC。调整比特率和采样率以获得最佳质量。",
+  };
+
+  return {
+    title: titles[lang],
+    description: descriptions[lang],
+    openGraph: {
+      title: titles[lang],
+      description: descriptions[lang],
+    },
+    twitter: {
+      title: titles[lang],
+      description: descriptions[lang],
+    },
+  };
+}
+
+export default function AudioCompressLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return children;
+}
--- a/src/app/(dashboard)/tools/audio-compress/page.tsx
+++ b/src/app/(dashboard)/tools/audio-compress/page.tsx
@@ -10,6 +10,7 @@ import { ConfigPanel, type ConfigOption } from "@/components/tools/ConfigPanel";
 import { Button } from "@/components/ui/button";
 import { useUploadStore } from "@/store/uploadStore";
 import { generateId } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";
 import type { UploadedFile, ProcessedFile, AudioCompressConfig } from "@/types";

 const audioAccept = {
@@ -23,59 +24,64 @@ const defaultConfig: AudioCompressConfig = {
  channels: 2,
 };

-const configOptions: ConfigOption[] = [
-  {
-    id: "bitrate",
-    type: "select",
-    label: "Bitrate",
-    description: "Higher bitrate = better quality, larger file",
-    value: defaultConfig.bitrate,
-    options: [
-      { label: "64 kbps", value: 64 },
-      { label: "128 kbps", value: 128 },
-      { label: "192 kbps", value: 192 },
-      { label: "256 kbps", value: 256 },
-      { label: "320 kbps", value: 320 },
-    ],
-  },
-  {
-    id: "format",
-    type: "select",
-    label: "Output Format",
-    description: "Target audio format",
-    value: defaultConfig.format,
-    options: [
-      { label: "MP3", value: "mp3" },
-      { label: "AAC", value: "aac" },
-      { label: "OGG", value: "ogg" },
-      { label: "FLAC", value: "flac" },
-    ],
-  },
-  {
-    id: "sampleRate",
-    type: "select",
-    label: "Sample Rate",
-    description: "Audio sample rate in Hz",
-    value: defaultConfig.sampleRate,
-    options: [
-      { label: "44.1 kHz", value: 44100 },
-      { label: "48 kHz", value: 48000 },
-    ],
-  },
-  {
-    id: "channels",
-    type: "radio",
-    label: "Channels",
-    description: "Audio channels",
-    value: defaultConfig.channels,
-    options: [
-      { label: "Stereo (2 channels)", value: 2 },
-      { label: "Mono (1 channel)", value: 1 },
-    ],
-  },
-];
+function useConfigOptions(config: AudioCompressConfig): ConfigOption[] {
+  const { t } = useTranslation();
+
+  return [
+    {
+      id: "bitrate",
+      type: "select",
+      label: t("config.audioCompression.bitrate"),
+      description: t("config.audioCompression.bitrateDescription"),
+      value: config.bitrate,
+      options: [
+        { label: "64 kbps", value: 64 },
+        { label: "128 kbps", value: 128 },
+        { label: "192 kbps", value: 192 },
+        { label: "256 kbps", value: 256 },
+        { label: "320 kbps", value: 320 },
+      ],
+    },
+    {
+      id: "format",
+      type: "select",
+      label: t("config.audioCompression.format"),
+      description: t("config.audioCompression.formatDescription"),
+      value: config.format,
+      options: [
+        { label: "MP3", value: "mp3" },
+        { label: "AAC", value: "aac" },
+        { label: "OGG", value: "ogg" },
+        { label: "FLAC", value: "flac" },
+      ],
+    },
+    {
+      id: "sampleRate",
+      type: "select",
+      label: t("config.audioCompression.sampleRate"),
+      description: t("config.audioCompression.sampleRateDescription"),
+      value: config.sampleRate,
+      options: [
+        { label: "44.1 kHz", value: 44100 },
+        { label: "48 kHz", value: 48000 },
+      ],
+    },
+    {
+      id: "channels",
+      type: "radio",
+      label: t("config.audioCompression.channels"),
+      description: t("config.audioCompression.channelsDescription"),
+      value: config.channels,
+      options: [
+        { label: t("config.audioCompression.stereo"), value: 2 },
+        { label: t("config.audioCompression.mono"), value: 1 },
+      ],
+    },
+  ];
+}

 export default function AudioCompressPage() {
+  const { t } = useTranslation();
  const { files, addFile, removeFile, clearFiles, processingStatus, setProcessingStatus } =
    useUploadStore();

@@ -112,7 +118,7 @@ export default function AudioCompressPage() {
    setProcessingStatus({
      status: "uploading",
      progress: 0,
-      message: "Uploading audio...",
+      message: t("processing.uploadingAudio"),
    });

    try {
@@ -122,14 +128,14 @@ export default function AudioCompressPage() {
        setProcessingStatus({
          status: "uploading",
          progress: i,
-          message: `Uploading... ${i}%`,
+          message: t("processing.uploadProgress", { progress: i }),
        });
      }

      setProcessingStatus({
        status: "processing",
        progress: 0,
-        message: "Compressing audio...",
+        message: t("processing.compressingAudio"),
      });

      // Simulate processing
@@ -138,7 +144,7 @@ export default function AudioCompressPage() {
        setProcessingStatus({
          status: "processing",
          progress: i,
-          message: `Compressing... ${i}%`,
+          message: t("processing.compressProgress", { progress: i }),
        });
      }

@@ -162,14 +168,14 @@ export default function AudioCompressPage() {
      setProcessingStatus({
        status: "completed",
        progress: 100,
-        message: "Compression complete!",
+        message: t("processing.compressionComplete"),
      });
    } catch (error) {
      setProcessingStatus({
        status: "failed",
        progress: 0,
-        message: "Compression failed",
-        error: error instanceof Error ? error.message : "Unknown error",
+        message: t("processing.compressionFailed"),
+        error: error instanceof Error ? error.message : t("processing.unknownError"),
      });
    }
  };
@@ -179,6 +185,7 @@ export default function AudioCompressPage() {
  };

  const canProcess = files.length > 0 && processingStatus.status !== "processing";
+  const configOptions = useConfigOptions(config);

  return (
    <div className="p-6">
@@ -192,9 +199,9 @@ export default function AudioCompressPage() {
              <Music className="h-6 w-6 text-primary" />
            </div>
            <div>
-              <h1 className="text-3xl font-bold">Audio Compression</h1>
+              <h1 className="text-3xl font-bold">{t("tools.audioCompression.title")}</h1>
              <p className="text-muted-foreground">
-                Compress and convert audio files with quality control
+                {t("tools.audioCompression.description")}
              </p>
            </div>
          </div>
@@ -213,8 +220,8 @@ export default function AudioCompressPage() {
            />

            <ConfigPanel
-              title="Audio Settings"
-              description="Configure compression parameters"
+              title={t("config.audioCompression.title")}
+              description={t("config.audioCompression.description")}
              options={configOptions.map((opt) => ({
                ...opt,
                value: config[opt.id as keyof AudioCompressConfig],
@@ -226,7 +233,7 @@ export default function AudioCompressPage() {
            {canProcess && (
              <Button onClick={handleProcess} size="lg" className="w-full">
                <Volume2 className="mr-2 h-4 w-4" />
-                Compress Audio
+                {t("tools.audioCompression.compressAudio")}
              </Button>
            )}
          </div>
@@ -241,15 +248,15 @@ export default function AudioCompressPage() {
            )}

            <div className="rounded-lg border border-border/40 bg-card/50 p-6">
-              <h3 className="mb-3 font-semibold">Supported Formats</h3>
+              <h3 className="mb-3 font-semibold">{t("tools.audioCompression.supportedFormats")}</h3>
              <div className="grid grid-cols-2 gap-3 text-sm text-muted-foreground">
                <div>
-                  <p className="font-medium text-foreground">Input</p>
-                  <p>MP3, WAV, OGG, AAC, FLAC, M4A</p>
+                  <p className="font-medium text-foreground">{t("tools.audioCompression.input")}</p>
+                  <p>{t("tools.audioCompression.inputFormats")}</p>
                </div>
                <div>
-                  <p className="font-medium text-foreground">Output</p>
-                  <p>MP3, AAC, OGG, FLAC</p>
+                  <p className="font-medium text-foreground">{t("tools.audioCompression.output")}</p>
+                  <p>{t("tools.audioCompression.outputFormats")}</p>
                </div>
              </div>
            </div>
--- a/src/app/(dashboard)/tools/image-compress/layout.tsx
+++ b/src/app/(dashboard)/tools/image-compress/layout.tsx
@@ -0,0 +1,39 @@
+import type { Metadata } from "next";
+import { headers } from "next/headers";
+
+export async function generateMetadata(): Promise<Metadata> {
+  const headersList = await headers();
+  const acceptLanguage = headersList.get("accept-language") || "";
+  const lang = acceptLanguage.includes("zh") ? "zh" : "en";
+
+  const titles = {
+    en: "Image Compression - Optimize Images for Web & Mobile",
+    zh: "图片压缩 - 为网页和移动端优化图片",
+  };
+
+  const descriptions = {
+    en: "Optimize images for web and mobile without quality loss. Support for batch processing and format conversion including PNG, JPEG, WebP.",
+    zh: "为网页和移动端优化图片，不影响质量。支持批量处理和格式转换，包括 PNG、JPEG、WebP。",
+  };
+
+  return {
+    title: titles[lang],
+    description: descriptions[lang],
+    openGraph: {
+      title: titles[lang],
+      description: descriptions[lang],
+    },
+    twitter: {
+      title: titles[lang],
+      description: descriptions[lang],
+    },
+  };
+}
+
+export default function ImageCompressLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return children;
+}
--- a/src/app/(dashboard)/tools/image-compress/page.tsx
+++ b/src/app/(dashboard)/tools/image-compress/page.tsx
@@ -10,6 +10,7 @@ import { ConfigPanel, type ConfigOption } from "@/components/tools/ConfigPanel";
 import { Button } from "@/components/ui/button";
 import { useUploadStore } from "@/store/uploadStore";
 import { generateId } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";
 import type { UploadedFile, ProcessedFile, ImageCompressConfig } from "@/types";

 const imageAccept = {
@@ -21,35 +22,40 @@ const defaultConfig: ImageCompressConfig = {
  format: "original",
 };

-const configOptions: ConfigOption[] = [
-  {
-    id: "quality",
-    type: "slider",
-    label: "Compression Quality",
-    description: "Lower quality = smaller file size",
-    value: defaultConfig.quality,
-    min: 1,
-    max: 100,
-    step: 1,
-    suffix: "%",
-    icon: <Zap className="h-4 w-4" />,
-  },
-  {
-    id: "format",
-    type: "select",
-    label: "Output Format",
-    description: "Convert to a different format (optional)",
-    value: defaultConfig.format,
-    options: [
-      { label: "Original", value: "original" },
-      { label: "JPEG", value: "jpeg" },
-      { label: "PNG", value: "png" },
-      { label: "WebP", value: "webp" },
-    ],
-  },
-];
+function useConfigOptions(config: ImageCompressConfig): ConfigOption[] {
+  const { t } = useTranslation();
+
+  return [
+    {
+      id: "quality",
+      type: "slider",
+      label: t("config.imageCompression.quality"),
+      description: t("config.imageCompression.qualityDescription"),
+      value: config.quality,
+      min: 1,
+      max: 100,
+      step: 1,
+      suffix: "%",
+      icon: <Zap className="h-4 w-4" />,
+    },
+    {
+      id: "format",
+      type: "select",
+      label: t("config.imageCompression.format"),
+      description: t("config.imageCompression.formatDescription"),
+      value: config.format,
+      options: [
+        { label: t("config.imageCompression.formatOriginal"), value: "original" },
+        { label: t("config.imageCompression.formatJpeg"), value: "jpeg" },
+        { label: t("config.imageCompression.formatPng"), value: "png" },
+        { label: t("config.imageCompression.formatWebp"), value: "webp" },
+      ],
+    },
+  ];
+}

 export default function ImageCompressPage() {
+  const { t } = useTranslation();
  const { files, addFile, removeFile, clearFiles, processingStatus, setProcessingStatus } =
    useUploadStore();

@@ -86,7 +92,7 @@ export default function ImageCompressPage() {
    setProcessingStatus({
      status: "uploading",
      progress: 0,
-      message: "Uploading images...",
+      message: t("processing.uploadingImages"),
    });

    try {
@@ -96,14 +102,14 @@ export default function ImageCompressPage() {
        setProcessingStatus({
          status: "uploading",
          progress: i,
-          message: `Uploading... ${i}%`,
+          message: t("processing.uploadProgress", { progress: i }),
        });
      }

      setProcessingStatus({
        status: "processing",
        progress: 0,
-        message: "Compressing images...",
+        message: t("processing.compressingImages"),
      });

      // Simulate processing
@@ -112,7 +118,7 @@ export default function ImageCompressPage() {
        setProcessingStatus({
          status: "processing",
          progress: i,
-          message: `Compressing... ${i}%`,
+          message: t("processing.compressProgress", { progress: i }),
        });
      }

@@ -135,14 +141,14 @@ export default function ImageCompressPage() {
      setProcessingStatus({
        status: "completed",
        progress: 100,
-        message: "Compression complete!",
+        message: t("processing.compressionComplete"),
      });
    } catch (error) {
      setProcessingStatus({
        status: "failed",
        progress: 0,
-        message: "Compression failed",
-        error: error instanceof Error ? error.message : "Unknown error",
+        message: t("processing.compressionFailed"),
+        error: error instanceof Error ? error.message : t("processing.unknownError"),
      });
    }
  };
@@ -152,6 +158,7 @@ export default function ImageCompressPage() {
  };

  const canProcess = files.length > 0 && processingStatus.status !== "processing";
+  const configOptions = useConfigOptions(config);

  return (
    <div className="p-6">
@@ -165,9 +172,9 @@ export default function ImageCompressPage() {
              <ImageIcon className="h-6 w-6 text-primary" />
            </div>
            <div>
-              <h1 className="text-3xl font-bold">Image Compression</h1>
+              <h1 className="text-3xl font-bold">{t("tools.imageCompression.title")}</h1>
              <p className="text-muted-foreground">
-                Optimize images for web and mobile without quality loss
+                {t("tools.imageCompression.description")}
              </p>
            </div>
          </div>
@@ -186,8 +193,8 @@ export default function ImageCompressPage() {
            />

            <ConfigPanel
-              title="Compression Settings"
-              description="Configure compression options"
+              title={t("config.imageCompression.title")}
+              description={t("config.imageCompression.description")}
              options={configOptions.map((opt) => ({
                ...opt,
                value: config[opt.id as keyof ImageCompressConfig],
@@ -199,7 +206,7 @@ export default function ImageCompressPage() {
            {canProcess && (
              <Button onClick={handleProcess} size="lg" className="w-full">
                <Zap className="mr-2 h-4 w-4" />
-                Compress Images
+                {t("tools.imageCompression.compressImages")}
              </Button>
            )}
          </div>
@@ -214,12 +221,11 @@ export default function ImageCompressPage() {
            )}

            <div className="rounded-lg border border-border/40 bg-card/50 p-6">
-              <h3 className="mb-3 font-semibold">Features</h3>
+              <h3 className="mb-3 font-semibold">{t("tools.imageCompression.features")}</h3>
              <ul className="space-y-2 text-sm text-muted-foreground">
-                <li>• Batch processing - compress multiple images at once</li>
-                <li>• Smart compression - maintains visual quality</li>
-                <li>• Format conversion - PNG to JPEG, WebP, and more</li>
-                <li>• Up to 80% size reduction without quality loss</li>
+                {(t("tools.imageCompression.featureList") as unknown as string[]).map((feature, index) => (
+                  <li key={index}>• {feature}</li>
+                ))}
              </ul>
            </div>
          </div>
--- a/src/app/(dashboard)/tools/video-frames/layout.tsx
+++ b/src/app/(dashboard)/tools/video-frames/layout.tsx
@@ -0,0 +1,39 @@
+import type { Metadata } from "next";
+import { headers } from "next/headers";
+
+export async function generateMetadata(): Promise<Metadata> {
+  const headersList = await headers();
+  const acceptLanguage = headersList.get("accept-language") || "";
+  const lang = acceptLanguage.includes("zh") ? "zh" : "en";
+
+  const titles = {
+    en: "Video to Frames - Extract Frames from Videos",
+    zh: "视频抽帧 - 从视频中提取帧",
+  };
+
+  const descriptions = {
+    en: "Extract frames from videos with customizable frame rates. Perfect for sprite animations and game asset preparation. Supports MP4, MOV, AVI, WebM.",
+    zh: "从视频中提取帧，可自定义帧率。非常适合精灵动画制作和游戏素材准备。支持 MP4、MOV、AVI、WebM。",
+  };
+
+  return {
+    title: titles[lang],
+    description: descriptions[lang],
+    openGraph: {
+      title: titles[lang],
+      description: descriptions[lang],
+    },
+    twitter: {
+      title: titles[lang],
+      description: descriptions[lang],
+    },
+  };
+}
+
+export default function VideoFramesLayout({
+  children,
+}: {
+  children: React.ReactNode;
+}) {
+  return children;
+}
--- a/src/app/(dashboard)/tools/video-frames/page.tsx
+++ b/src/app/(dashboard)/tools/video-frames/page.tsx
@@ -10,6 +10,7 @@ import { ConfigPanel, type ConfigOption } from "@/components/tools/ConfigPanel";
 import { Button } from "@/components/ui/button";
 import { useUploadStore } from "@/store/uploadStore";
 import { generateId } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";
 import type { UploadedFile, ProcessedFile, VideoFramesConfig } from "@/types";

 const videoAccept = {
@@ -24,45 +25,50 @@ const defaultConfig: VideoFramesConfig = {
  height: undefined,
 };

-const configOptions: ConfigOption[] = [
-  {
-    id: "fps",
-    type: "slider",
-    label: "Frame Rate",
-    description: "Number of frames to extract per second",
-    value: defaultConfig.fps,
-    min: 1,
-    max: 60,
-    step: 1,
-    suffix: " fps",
-    icon: <Video className="h-4 w-4" />,
-  },
-  {
-    id: "format",
-    type: "select",
-    label: "Output Format",
-    description: "Image format for the extracted frames",
-    value: defaultConfig.format,
-    options: [
-      { label: "PNG", value: "png" },
-      { label: "JPEG", value: "jpeg" },
-      { label: "WebP", value: "webp" },
-    ],
-  },
-  {
-    id: "quality",
-    type: "slider",
-    label: "Quality",
-    description: "Image quality (for JPEG and WebP)",
-    value: defaultConfig.quality,
-    min: 1,
-    max: 100,
-    step: 1,
-    suffix: "%",
-  },
-];
+function useConfigOptions(config: VideoFramesConfig): ConfigOption[] {
+  const { t } = useTranslation();
+
+  return [
+    {
+      id: "fps",
+      type: "slider",
+      label: t("config.videoFrames.fps"),
+      description: t("config.videoFrames.fpsDescription"),
+      value: config.fps,
+      min: 1,
+      max: 60,
+      step: 1,
+      suffix: " fps",
+      icon: <Video className="h-4 w-4" />,
+    },
+    {
+      id: "format",
+      type: "select",
+      label: t("config.videoFrames.format"),
+      description: t("config.videoFrames.formatDescription"),
+      value: config.format,
+      options: [
+        { label: "PNG", value: "png" },
+        { label: "JPEG", value: "jpeg" },
+        { label: "WebP", value: "webp" },
+      ],
+    },
+    {
+      id: "quality",
+      type: "slider",
+      label: t("config.videoFrames.quality"),
+      description: t("config.videoFrames.qualityDescription"),
+      value: config.quality,
+      min: 1,
+      max: 100,
+      step: 1,
+      suffix: "%",
+    },
+  ];
+}

 export default function VideoFramesPage() {
+  const { t } = useTranslation();
  const { files, addFile, removeFile, clearFiles, processingStatus, setProcessingStatus } =
    useUploadStore();

@@ -99,7 +105,7 @@ export default function VideoFramesPage() {
    setProcessingStatus({
      status: "uploading",
      progress: 0,
-      message: "Uploading video...",
+      message: t("processing.uploadingVideo"),
    });

    try {
@@ -109,14 +115,14 @@ export default function VideoFramesPage() {
        setProcessingStatus({
          status: "uploading",
          progress: i,
-          message: `Uploading... ${i}%`,
+          message: t("processing.uploadProgress", { progress: i }),
        });
      }

      setProcessingStatus({
        status: "processing",
        progress: 0,
-        message: "Extracting frames...",
+        message: t("processing.extractingFrames"),
      });

      // Simulate processing
@@ -125,7 +131,7 @@ export default function VideoFramesPage() {
        setProcessingStatus({
          status: "processing",
          progress: i,
-          message: `Processing... ${i}%`,
+          message: t("processing.processProgress", { progress: i }),
        });
      }

@@ -149,24 +155,24 @@ export default function VideoFramesPage() {
      setProcessingStatus({
        status: "completed",
        progress: 100,
-        message: "Processing complete!",
+        message: t("processing.processingComplete"),
      });
    } catch (error) {
      setProcessingStatus({
        status: "failed",
        progress: 0,
-        message: "Processing failed",
-        error: error instanceof Error ? error.message : "Unknown error",
+        message: t("processing.processingFailed"),
+        error: error instanceof Error ? error.message : t("processing.unknownError"),
      });
    }
  };

  const handleDownload = (fileId: string) => {
    console.log("Downloading file:", fileId);
-    // Implement download logic
  };

  const canProcess = files.length > 0 && processingStatus.status !== "processing";
+  const configOptions = useConfigOptions(config);

  return (
    <div className="p-6">
@@ -181,9 +187,9 @@ export default function VideoFramesPage() {
              <Video className="h-6 w-6 text-primary" />
            </div>
            <div>
-              <h1 className="text-3xl font-bold">Video to Frames</h1>
+              <h1 className="text-3xl font-bold">{t("tools.videoFrames.title")}</h1>
              <p className="text-muted-foreground">
-                Extract frames from videos with customizable settings
+                {t("tools.videoFrames.description")}
              </p>
            </div>
          </div>
@@ -203,8 +209,8 @@ export default function VideoFramesPage() {
            />

            <ConfigPanel
-              title="Export Settings"
-              description="Configure how frames are extracted"
+              title={t("config.videoFrames.title")}
+              description={t("config.videoFrames.description")}
              options={configOptions.map((opt) => ({
                ...opt,
                value: config[opt.id as keyof VideoFramesConfig],
@@ -216,7 +222,7 @@ export default function VideoFramesPage() {
            {canProcess && (
              <Button onClick={handleProcess} size="lg" className="w-full">
                <Settings className="mr-2 h-4 w-4" />
-                Process Video
+                {t("tools.videoFrames.processVideo")}
              </Button>
            )}
          </div>
@@ -233,12 +239,11 @@ export default function VideoFramesPage() {

            {/* Info Card */}
            <div className="rounded-lg border border-border/40 bg-card/50 p-6">
-              <h3 className="mb-3 font-semibold">How it works</h3>
+              <h3 className="mb-3 font-semibold">{t("tools.videoFrames.howItWorks")}</h3>
              <ol className="space-y-2 text-sm text-muted-foreground">
-                <li>1. Upload your video file (MP4, MOV, AVI, etc.)</li>
-                <li>2. Configure frame rate, format, and quality</li>
-                <li>3. Click &quot;Process Video&quot; to start extraction</li>
-                <li>4. Download the ZIP file with all frames</li>
+                {(t("tools.videoFrames.steps") as unknown as string[]).map((step, index) => (
+                  <li key={index}>{index + 1}. {step}</li>
+                ))}
              </ol>
            </div>
          </div>
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -16,99 +16,94 @@ import {
 import { Button } from "@/components/ui/button";
 import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
 import { Badge } from "@/components/ui/badge";
+import { useTranslation } from "@/lib/i18n";

-const features = [
-  {
-    icon: Video,
-    title: "Video to Frames",
-    description: "Extract frames from videos with customizable frame rates and formats. Perfect for sprite animations.",
-    href: "/tools/video-frames",
-  },
-  {
-    icon: Image,
-    title: "Image Compression",
-    description: "Optimize images for web and mobile without quality loss. Support for batch processing.",
-    href: "/tools/image-compress",
-  },
-  {
-    icon: Music,
-    title: "Audio Compression",
-    description: "Compress and convert audio files to various formats. Adjust bitrate and sample rate.",
-    href: "/tools/audio-compress",
-  },
-  {
-    icon: Sparkles,
-    title: "AI-Powered Tools",
-    description: "Enhance your assets with AI. Upscale images, remove backgrounds, and more.",
-    href: "/tools/ai-tools",
-  },
-];
+function useFeatures() {
+  const { t } = useTranslation();
+  return [
+    {
+      icon: Video,
+      title: t("home.tools.videoToFrames.title"),
+      description: t("home.tools.videoToFrames.description"),
+      href: "/tools/video-frames",
+    },
+    {
+      icon: Image,
+      title: t("home.tools.imageCompression.title"),
+      description: t("home.tools.imageCompression.description"),
+      href: "/tools/image-compress",
+    },
+    {
+      icon: Music,
+      title: t("home.tools.audioCompression.title"),
+      description: t("home.tools.audioCompression.description"),
+      href: "/tools/audio-compress",
+    },
+    {
+      icon: Sparkles,
+      title: t("home.tools.aiTools.title"),
+      description: t("home.tools.aiTools.description"),
+      href: "/tools/ai-tools",
+    },
+  ];
+}

-const benefits = [
-  {
-    icon: Zap,
-    title: "Lightning Fast",
-    description: "Process files in seconds with our optimized infrastructure.",
-  },
-  {
-    icon: Shield,
-    title: "Secure & Private",
-    description: "Your files are encrypted and automatically deleted after processing.",
-  },
-  {
-    icon: Users,
-    title: "Built for Developers",
-    description: "API access, batch processing, and tools designed for game development workflows.",
-  },
-];
+function useBenefits() {
+  const { t } = useTranslation();
+  return [
+    {
+      icon: Zap,
+      title: t("home.benefits.lightningFast.title"),
+      description: t("home.benefits.lightningFast.description"),
+    },
+    {
+      icon: Shield,
+      title: t("home.benefits.secure.title"),
+      description: t("home.benefits.secure.description"),
+    },
+    {
+      icon: Users,
+      title: t("home.benefits.forDevelopers.title"),
+      description: t("home.benefits.forDevelopers.description"),
+    },
+  ];
+}

-const pricingPlans = [
-  {
-    name: "Free",
-    price: "$0",
-    description: "Perfect for trying out",
-    features: [
-      "10 processes per day",
-      "50MB max file size",
-      "Basic tools",
-      "Community support",
-    ],
-    cta: "Get Started",
-    href: "/register",
-  },
-  {
-    name: "Pro",
-    price: "$19",
-    period: "/month",
-    description: "For serious developers",
-    features: [
-      "Unlimited processes",
-      "500MB max file size",
-      "All tools including AI",
-      "Priority support",
-      "API access",
-    ],
-    cta: "Start Free Trial",
-    href: "/pricing",
-    popular: true,
-  },
-  {
-    name: "Enterprise",
-    price: "Custom",
-    description: "For teams and businesses",
-    features: [
-      "Everything in Pro",
-      "Unlimited file size",
-      "Custom integrations",
-      "Dedicated support",
-      "SLA guarantee",
-    ],
-    cta: "Contact Sales",
-    href: "/contact",
-  },
-];
+function usePricingPlans() {
+  const { t } = useTranslation();
+  return [
+    {
+      name: t("home.pricing.plans.free.name"),
+      price: t("home.pricing.plans.free.price"),
+      description: t("home.pricing.plans.free.description"),
+      features: t("home.pricing.plans.free.features") as unknown as string[],
+      cta: t("home.pricing.plans.free.cta"),
+      href: "/register",
+    },
+    {
+      name: t("home.pricing.plans.pro.name"),
+      price: t("home.pricing.plans.pro.price"),
+      period: t("home.pricing.plans.pro.period"),
+      description: t("home.pricing.plans.pro.description"),
+      features: t("home.pricing.plans.pro.features") as unknown as string[],
+      cta: t("home.pricing.plans.pro.cta"),
+      href: "/pricing",
+      popular: t("home.pricing.plans.pro.popular") as string,
+    },
+    {
+      name: t("home.pricing.plans.enterprise.name"),
+      price: t("home.pricing.plans.enterprise.price"),
+      description: t("home.pricing.plans.enterprise.description"),
+      features: t("home.pricing.plans.enterprise.features") as unknown as string[],
+      cta: t("home.pricing.plans.enterprise.cta"),
+      href: "/contact",
+    },
+  ];
+}

 function HeroSection() {
+  const { t } = useTranslation();
+
  return (
    <section className="relative overflow-hidden">
      {/* Background gradient */}
@@ -126,26 +121,22 @@ function HeroSection() {
        >
          <Badge className="mb-4" variant="secondary">
            <Sparkles className="mr-1 h-3 w-3" />
-            AI-Powered Tools
+            {t("home.hero.badge")}
          </Badge>
          <h1 className="mb-6 text-4xl font-bold tracking-tight sm:text-5xl md:text-6xl lg:text-7xl xl:text-8xl 2xl:text-9xl">
-            Build Games{" "}
-            <span className="bg-gradient-to-r from-purple-400 via-pink-500 to-blue-500 bg-clip-text text-transparent">
-              Faster
-            </span>
+            {t("home.hero.title", { speed: t("home.hero.speed") })}
          </h1>
          <p className="mb-8 text-lg text-muted-foreground md:text-xl xl:text-2xl 2xl:text-3xl">
-            Transform your game development workflow with powerful AI tools. Video to frames,
-            image compression, audio processing, and more.
+            {t("home.hero.description")}
          </p>
          <div className="flex flex-col items-center justify-center gap-4 sm:flex-row xl:gap-6">
            <Button size="lg" asChild className="xl:text-lg xl:px-8 xl:py-6 2xl:text-xl 2xl:px-10 2xl:py-7">
              <Link href="/tools">
-                Start Building <ArrowRight className="ml-2 h-4 w-4" />
+                {t("home.hero.startBuilding")} <ArrowRight className="ml-2 h-4 w-4" />
              </Link>
            </Button>
            <Button size="lg" variant="outline" asChild className="xl:text-lg xl:px-8 xl:py-6 2xl:text-xl 2xl:px-10 2xl:py-7">
-              <Link href="/pricing">View Pricing</Link>
+              <Link href="/pricing">{t("common.viewPricing")}</Link>
            </Button>
          </div>

@@ -158,15 +149,15 @@ function HeroSection() {
          >
            <div>
              <div className="text-3xl font-bold md:text-4xl xl:text-5xl 2xl:text-6xl">10K+</div>
-              <div className="text-sm text-muted-foreground md:text-base xl:text-lg 2xl:text-xl">Developers</div>
+              <div className="text-sm text-muted-foreground md:text-base xl:text-lg 2xl:text-xl">{t("home.hero.stats.developers")}</div>
            </div>
            <div>
              <div className="text-3xl font-bold md:text-4xl xl:text-5xl 2xl:text-6xl">1M+</div>
-              <div className="text-sm text-muted-foreground md:text-base xl:text-lg 2xl:text-xl">Files Processed</div>
+              <div className="text-sm text-muted-foreground md:text-base xl:text-lg 2xl:text-xl">{t("home.hero.stats.filesProcessed")}</div>
            </div>
            <div>
              <div className="text-3xl font-bold md:text-4xl xl:text-5xl 2xl:text-6xl">99.9%</div>
-              <div className="text-sm text-muted-foreground md:text-base xl:text-lg 2xl:text-xl">Uptime</div>
+              <div className="text-sm text-muted-foreground md:text-base xl:text-lg 2xl:text-xl">{t("home.hero.stats.uptime")}</div>
            </div>
          </motion.div>
        </motion.div>
@@ -176,6 +167,9 @@ function HeroSection() {
 }

 function FeaturesSection() {
+  const { t } = useTranslation();
+  const features = useFeatures();
+
  return (
    <section className="border-t border-border/40 bg-background/50 py-24 xl:py-32 2xl:py-40">
      <div className="container">
@@ -187,10 +181,10 @@ function FeaturesSection() {
          className="mb-16 text-center xl:mb-20 2xl:mb-24"
        >
          <h2 className="mb-4 text-3xl font-bold tracking-tight md:text-4xl xl:text-5xl 2xl:text-6xl">
-            Everything You Need
+            {t("home.featuresSection.title")}
          </h2>
          <p className="text-lg text-muted-foreground md:text-xl xl:text-2xl 2xl:text-3xl">
-            Powerful tools designed specifically for game developers
+            {t("home.featuresSection.description")}
          </p>
        </motion.div>

@@ -214,7 +208,7 @@ function FeaturesSection() {
                  </CardHeader>
                  <CardContent>
                    <Button variant="ghost" size="sm" className="w-full xl:text-base 2xl:text-lg">
-                      Try it now <ArrowRight className="ml-2 h-4 w-4" />
+                      {t("common.tryNow")} <ArrowRight className="ml-2 h-4 w-4" />
                    </Button>
                  </CardContent>
                </Card>
@@ -228,6 +222,9 @@ function FeaturesSection() {
 }

 function BenefitsSection() {
+  const { t } = useTranslation();
+  const benefits = useBenefits();
+
  return (
    <section className="py-24 xl:py-32 2xl:py-40">
      <div className="container">
@@ -239,14 +236,13 @@ function BenefitsSection() {
            transition={{ duration: 0.5 }}
          >
            <h2 className="mb-4 text-3xl font-bold tracking-tight md:text-4xl xl:text-5xl 2xl:text-6xl">
-              Why Choose Mini Game AI?
+              {t("home.benefits.title")}
            </h2>
            <p className="mb-8 text-lg text-muted-foreground md:text-xl xl:text-2xl 2xl:text-3xl">
-              We understand the unique challenges of game development. Our tools are built to help
-              you work faster and smarter.
+              {t("home.benefits.description")}
            </p>
            <Button size="lg" asChild className="xl:text-lg xl:px-8 xl:py-6 2xl:text-xl 2xl:px-10 2xl:py-7">
-              <Link href="/about">Learn More About Us</Link>
+              <Link href="/about">{t("common.learnMore")}</Link>
            </Button>
          </motion.div>

@@ -280,6 +276,9 @@ function BenefitsSection() {
 }

 function PricingSection() {
+  const { t } = useTranslation();
+  const pricingPlans = usePricingPlans();
+
  return (
    <section className="border-t border-border/40 bg-background/50 py-24 xl:py-32 2xl:py-40">
      <div className="container">
@@ -291,10 +290,10 @@ function PricingSection() {
          className="mb-16 text-center xl:mb-20 2xl:mb-24"
        >
          <h2 className="mb-4 text-3xl font-bold tracking-tight md:text-4xl xl:text-5xl 2xl:text-6xl">
-            Simple, Transparent Pricing
+            {t("home.pricing.title")}
          </h2>
          <p className="text-lg text-muted-foreground md:text-xl xl:text-2xl 2xl:text-3xl">
-            Start free, scale as you grow. No hidden fees.
+            {t("home.pricing.description")}
          </p>
        </motion.div>

@@ -310,7 +309,7 @@ function PricingSection() {
              <Card className={`relative h-full ${plan.popular ? "border-primary" : ""} xl:p-8 2xl:p-10`}>
                {plan.popular && (
                  <Badge className="absolute -top-3 left-1/2 -translate-x-1/2 xl:text-base 2xl:text-lg">
-                    Most Popular
+                    {plan.popular}
                  </Badge>
                )}
                <CardHeader>
@@ -346,6 +345,8 @@ function PricingSection() {
 }

 function CTASection() {
+  const { t } = useTranslation();
+
  return (
    <section className="py-24 xl:py-32 2xl:py-40">
      <div className="container">
@@ -358,17 +359,17 @@ function CTASection() {
        >
          <div className="relative z-10">
            <h2 className="mb-4 text-3xl font-bold tracking-tight md:text-4xl xl:text-5xl 2xl:text-6xl">
-              Ready to Level Up?
+              {t("home.cta.title")}
            </h2>
            <p className="mb-8 text-lg text-muted-foreground md:text-xl xl:text-2xl 2xl:text-3xl">
-              Join thousands of game developers building amazing games with our tools.
+              {t("home.cta.description")}
            </p>
            <div className="flex flex-col items-center justify-center gap-4 sm:flex-row xl:gap-6">
              <Button size="lg" asChild className="xl:text-lg xl:px-8 xl:py-6 2xl:text-xl 2xl:px-10 2xl:py-7">
-                <Link href="/register">Get Started for Free</Link>
+                <Link href="/register">{t("home.cta.getStarted")}</Link>
              </Button>
              <Button size="lg" variant="outline" asChild className="xl:text-lg xl:px-8 xl:py-6 2xl:text-xl 2xl:px-10 2xl:py-7">
-                <Link href="/contact">Contact Sales</Link>
+                <Link href="/contact">{t("common.contactSales")}</Link>
              </Button>
            </div>
          </div>
--- a/src/components/layout/Footer.tsx
+++ b/src/components/layout/Footer.tsx
@@ -1,38 +1,55 @@
+"use client";
+
 import Link from "next/link";
 import { Sparkles, Github, Twitter } from "lucide-react";
+import { useTranslation } from "@/lib/i18n";

-const footerLinks = {
-  product: [
-    { name: "Features", href: "/features" },
-    { name: "Pricing", href: "/pricing" },
-    { name: "API", href: "/api" },
-    { name: "Documentation", href: "/docs" },
-  ],
-  tools: [
-    { name: "Video to Frames", href: "/tools/video-frames" },
-    { name: "Image Compression", href: "/tools/image-compress" },
-    { name: "Audio Compression", href: "/tools/audio-compress" },
-    { name: "AI Tools", href: "/tools/ai-tools" },
-  ],
-  company: [
-    { name: "About", href: "/about" },
-    { name: "Blog", href: "/blog" },
-    { name: "Careers", href: "/careers" },
-    { name: "Contact", href: "/contact" },
-  ],
-  legal: [
-    { name: "Privacy", href: "/privacy" },
-    { name: "Terms", href: "/terms" },
-    { name: "Cookie Policy", href: "/cookies" },
-  ],
-};
+function useFooterLinks() {
+  const { t } = useTranslation();
+
+  return {
+    product: [
+      { name: t("common.features"), href: "/features" },
+      { name: t("nav.pricing"), href: "/pricing" },
+      { name: "API", href: "/api" },
+      { name: t("nav.docs"), href: "/docs" },
+    ],
+    tools: [
+      { name: t("sidebar.videoToFrames"), href: "/tools/video-frames" },
+      { name: t("sidebar.imageCompression"), href: "/tools/image-compress" },
+      { name: t("sidebar.audioCompression"), href: "/tools/audio-compress" },
+      { name: t("home.tools.aiTools.title"), href: "/tools/ai-tools" },
+    ],
+    company: [
+      { name: t("nav.about"), href: "/about" },
+      { name: "Blog", href: "/blog" },
+      { name: "Careers", href: "/careers" },
+      { name: "Contact", href: "/contact" },
+    ],
+    legal: [
+      { name: "Privacy", href: "/privacy" },
+      { name: "Terms", href: "/terms" },
+      { name: "Cookie Policy", href: "/cookies" },
+    ],
+  };
+}

 const socialLinks = [
  { name: "Twitter", icon: Twitter, href: "https://twitter.com" },
  { name: "GitHub", icon: Github, href: "https://github.com" },
 ];

+const sectionTitles: Record<string, string> = {
+  product: "Product",
+  tools: "Tools",
+  company: "Company",
+  legal: "Legal",
+};
+
 export function Footer() {
+  const { t } = useTranslation();
+  const footerLinks = useFooterLinks();
+
  return (
    <footer className="border-t border-border/40 bg-background/50">
      <div className="container py-12 md:py-16">
@@ -43,16 +60,16 @@ export function Footer() {
              <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-primary">
                <Sparkles className="h-5 w-5 text-primary-foreground" />
              </div>
-              <span className="text-xl font-bold">Mini Game AI</span>
+              <span className="text-xl font-bold">{t("common.appName")}</span>
            </Link>
            <p className="mt-4 text-sm text-muted-foreground">
-              AI-powered tools for mini game developers. Process media files with ease.
+              {t("footer.tagline")}
            </p>
          </div>

          {/* Product */}
          <div>
-            <h3 className="mb-4 text-sm font-semibold">Product</h3>
+            <h3 className="mb-4 text-sm font-semibold">{sectionTitles.product}</h3>
            <ul className="space-y-3 text-sm">
              {footerLinks.product.map((link) => (
                <li key={link.name}>
@@ -69,7 +86,7 @@ export function Footer() {

          {/* Tools */}
          <div>
-            <h3 className="mb-4 text-sm font-semibold">Tools</h3>
+            <h3 className="mb-4 text-sm font-semibold">{sectionTitles.tools}</h3>
            <ul className="space-y-3 text-sm">
              {footerLinks.tools.map((link) => (
                <li key={link.name}>
@@ -86,7 +103,7 @@ export function Footer() {

          {/* Company */}
          <div>
-            <h3 className="mb-4 text-sm font-semibold">Company</h3>
+            <h3 className="mb-4 text-sm font-semibold">{sectionTitles.company}</h3>
            <ul className="space-y-3 text-sm">
              {footerLinks.company.map((link) => (
                <li key={link.name}>
@@ -103,7 +120,7 @@ export function Footer() {

          {/* Legal */}
          <div>
-            <h3 className="mb-4 text-sm font-semibold">Legal</h3>
+            <h3 className="mb-4 text-sm font-semibold">{sectionTitles.legal}</h3>
            <ul className="space-y-3 text-sm">
              {footerLinks.legal.map((link) => (
                <li key={link.name}>
@@ -122,7 +139,7 @@ export function Footer() {
        {/* Bottom section */}
        <div className="mt-12 flex flex-col items-center justify-between border-t border-border/40 pt-8 md:flex-row">
          <p className="text-sm text-muted-foreground">
-            © {new Date().getFullYear()} Mini Game AI. All rights reserved.
+            © {new Date().getFullYear()} {t("common.appName")}. All rights reserved.
          </p>
          <div className="mt-4 flex space-x-6 md:mt-0">
            {socialLinks.map((link) => {
--- a/src/components/layout/Header.tsx
+++ b/src/components/layout/Header.tsx
@@ -5,19 +5,27 @@ import { usePathname } from "next/navigation";
 import { useState } from "react";
 import { motion, AnimatePresence } from "framer-motion";
 import { Menu, X, Sparkles } from "lucide-react";
-import { Button } from "@/components/ui/button";
+// import { Button } from "@/components/ui/button"; // TODO: Uncomment when adding login/register buttons
+import { LanguageSwitcher } from "./LanguageSwitcher";
+import { useTranslation } from "@/lib/i18n";
 import { cn } from "@/lib/utils";

-const navItems = [
-  { name: "Tools", href: "/tools" },
-  { name: "Pricing", href: "/pricing" },
-  { name: "Docs", href: "/docs" },
-  { name: "About", href: "/about" },
-];
+function useNavItems() {
+  const { t } = useTranslation();
+  return [
+    { name: t("nav.tools"), href: "/tools/image-compress" },
+    { name: t("nav.pricing"), href: "/tools/video-frames" },
+    { name: t("nav.docs"), href: "/tools/audio-compress" },
+    // Note: Temporarily redirecting to existing tool pages
+    // TODO: Create dedicated pages for pricing, docs, about
+  ];
+}

 export function Header() {
  const pathname = usePathname();
  const [isMobileMenuOpen, setIsMobileMenuOpen] = useState(false);
+  const navItems = useNavItems();
+  const { t } = useTranslation();

  return (
    <header className="sticky top-0 z-50 w-full border-b border-border/40 bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
@@ -27,7 +35,7 @@ export function Header() {
          <div className="flex h-8 w-8 items-center justify-center rounded-lg bg-primary">
            <Sparkles className="h-5 w-5 text-primary-foreground" />
          </div>
-          <span className="text-xl font-bold">Mini Game AI</span>
+          <span className="text-xl font-bold">{t("common.appName")}</span>
        </Link>

        {/* Desktop Navigation */}
@@ -48,12 +56,15 @@ export function Header() {

        {/* CTA Buttons */}
        <div className="hidden md:flex md:items-center md:space-x-4">
+          <LanguageSwitcher />
+          {/* TODO: Create login/register pages
          <Button variant="ghost" size="sm" asChild>
-            <Link href="/login">Sign In</Link>
+            <Link href="/login">{t("common.signIn")}</Link>
          </Button>
          <Button size="sm" asChild>
-            <Link href="/register">Get Started</Link>
+            <Link href="/register">{t("common.getStarted")}</Link>
          </Button>
+          */}
        </div>

        {/* Mobile Menu Button */}
@@ -95,12 +106,15 @@ export function Header() {
                </Link>
              ))}
              <div className="flex flex-col space-y-2 pt-4">
+                <LanguageSwitcher />
+                {/* TODO: Create login/register pages
                <Button variant="ghost" size="sm" asChild className="w-full">
-                  <Link href="/login">Sign In</Link>
+                  <Link href="/login">{t("common.signIn")}</Link>
                </Button>
                <Button size="sm" asChild className="w-full">
-                  <Link href="/register">Get Started</Link>
+                  <Link href="/register">{t("common.getStarted")}</Link>
                </Button>
+                */}
              </div>
            </div>
          </motion.div>
--- a/src/components/layout/LanguageSwitcher.tsx
+++ b/src/components/layout/LanguageSwitcher.tsx
@@ -0,0 +1,51 @@
+"use client";
+
+import { useState } from "react";
+import { Button } from "@/components/ui/button";
+import {
+  DropdownMenu,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuTrigger,
+} from "@/components/ui/dropdown-menu";
+import { useTranslation, type Locale } from "@/lib/i18n";
+import { Check, Globe } from "lucide-react";
+
+export function LanguageSwitcher() {
+  const { locale, setLocale, locales } = useTranslation();
+  const [open, setOpen] = useState(false);
+
+  const handleLocaleChange = (newLocale: Locale) => {
+    setLocale(newLocale);
+    setOpen(false);
+  };
+
+  return (
+    <DropdownMenu open={open} onOpenChange={setOpen}>
+      <DropdownMenuTrigger asChild>
+        <Button variant="ghost" size="sm" className="gap-2">
+          <Globe className="h-4 w-4" />
+          <span className="hidden md:inline">{locales[locale].flag}</span>
+          <span className="hidden lg:inline">{locales[locale].name}</span>
+        </Button>
+      </DropdownMenuTrigger>
+      <DropdownMenuContent align="end" className="min-w-[160px]">
+        {Object.entries(locales).map(([key, { name, flag }]) => (
+          <DropdownMenuItem
+            key={key}
+            onClick={() => handleLocaleChange(key as Locale)}
+            className="flex cursor-pointer items-center justify-between gap-2"
+          >
+            <span className="flex items-center gap-2">
+              <span>{flag}</span>
+              <span>{name}</span>
+            </span>
+            {locale === key && (
+              <Check className="h-4 w-4 text-primary" />
+            )}
+          </DropdownMenuItem>
+        ))}
+      </DropdownMenuContent>
+    </DropdownMenu>
+  );
+}
--- a/src/components/layout/Sidebar.tsx
+++ b/src/components/layout/Sidebar.tsx
@@ -9,41 +9,44 @@ import {
  Music,
  Sparkles,
  LayoutDashboard,
-  CreditCard,
-  Settings,
 } from "lucide-react";
 import { cn } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";

-const sidebarNavItems = [
-  {
-    title: "Dashboard",
-    items: [
-      { name: "Overview", href: "/dashboard", icon: LayoutDashboard },
-    ],
-  },
-  {
-    title: "Tools",
-    items: [
-      { name: "Video to Frames", href: "/tools/video-frames", icon: Video },
-      { name: "Image Compression", href: "/tools/image-compress", icon: Image },
-      { name: "Audio Compression", href: "/tools/audio-compress", icon: Music },
-    ],
-  },
-  {
-    title: "AI Tools",
-    items: [
-      { name: "AI Image", href: "/tools/ai-image", icon: Sparkles },
-      { name: "AI Audio", href: "/tools/ai-audio", icon: Sparkles },
-    ],
-  },
-  {
-    title: "Account",
-    items: [
-      { name: "Pricing", href: "/pricing", icon: CreditCard },
-      { name: "Settings", href: "/settings", icon: Settings },
-    ],
-  },
-];
+function useSidebarNavItems() {
+  const { t } = useTranslation();
+  return [
+    {
+      title: t("nav.dashboard"),
+      items: [
+        { name: t("nav.overview"), href: "/", icon: LayoutDashboard },
+      ],
+    },
+    {
+      title: t("sidebar.tools"),
+      items: [
+        { name: t("sidebar.videoToFrames"), href: "/tools/video-frames", icon: Video },
+        { name: t("sidebar.imageCompression"), href: "/tools/image-compress", icon: Image },
+        { name: t("sidebar.audioCompression"), href: "/tools/audio-compress", icon: Music },
+      ],
+    },
+    {
+      title: t("sidebar.aiTools"),
+      items: [
+        { name: t("sidebar.aiImage"), href: "/tools/ai-tools", icon: Sparkles },
+        { name: t("sidebar.aiAudio"), href: "/tools/ai-tools", icon: Sparkles },
+      ],
+    },
+    {
+      title: t("nav.account"),
+      items: [
+        // TODO: Create pricing and settings pages
+        // { name: t("nav.pricing"), href: "/pricing", icon: CreditCard },
+        // { name: t("common.settings"), href: "/settings", icon: Settings },
+      ],
+    },
+  ];
+}

 interface SidebarProps {
  className?: string;
@@ -51,6 +54,7 @@ interface SidebarProps {

 export function Sidebar({ className }: SidebarProps) {
  const pathname = usePathname();
+  const sidebarNavItems = useSidebarNavItems();

  return (
    <aside
@@ -61,7 +65,9 @@ export function Sidebar({ className }: SidebarProps) {
    >
      <div className="h-full overflow-y-auto py-6 pr-4">
        <nav className="space-y-8 px-4">
-          {sidebarNavItems.map((section) => (
+          {sidebarNavItems
+            .filter((section) => section.items.length > 0)
+            .map((section) => (
            <div key={section.title}>
              <h3 className="mb-4 px-2 text-xs font-semibold uppercase tracking-wider text-muted-foreground">
                {section.title}
--- a/src/components/tools/ConfigPanel.tsx
+++ b/src/components/tools/ConfigPanel.tsx
@@ -6,6 +6,7 @@ import { Slider } from "@/components/ui/slider";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { cn } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";

 export interface ConfigOption {
  id: string;
@@ -38,6 +39,8 @@ export function ConfigPanel({
  onReset,
  className,
 }: ConfigPanelProps) {
+  const { t } = useTranslation();
+
  return (
    <Card className={className}>
      <CardHeader>
@@ -50,7 +53,7 @@ export function ConfigPanel({
          </div>
          {onReset && (
            <Button variant="ghost" size="sm" onClick={onReset}>
-              Reset
+              {t("common.reset")}
            </Button>
          )}
        </div>
--- a/src/components/tools/FileUploader.tsx
+++ b/src/components/tools/FileUploader.tsx
@@ -8,6 +8,7 @@ import { Card, CardContent } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { formatFileSize, getFileExtension } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";
 import type { UploadedFile } from "@/types";

 interface FileUploaderProps {
@@ -35,6 +36,8 @@ export function FileUploader({
  maxFiles = 10,
  disabled = false,
 }: FileUploaderProps) {
+  const { t, plural } = useTranslation();
+
  const onDrop = useCallback(
    (acceptedFiles: File[]) => {
      if (disabled) return;
@@ -85,14 +88,17 @@ export function FileUploader({
          <div className="mt-4">
            <p className="text-lg font-medium">
              {isDragActive
-                ? "Drop your files here"
+                ? t("uploader.dropActive")
                : isDragReject
-                  ? "File type not accepted"
-                  : "Drag & drop files here"}
+                  ? t("uploader.fileRejected")
+                  : t("uploader.dropFiles")}
            </p>
            <p className="mt-2 text-sm text-muted-foreground">
-              or click to browse • Max {formatFileSize(maxSize)} • Up to {maxFiles} file
-              {maxFiles > 1 ? "s" : ""}
+              {t("uploader.browseFiles", {
+                maxSize: formatFileSize(maxSize),
+                maxFiles,
+                file: plural("uploader.file", maxFiles),
+              })}
            </p>
          </div>
        </motion.div>
--- a/src/components/tools/ProgressBar.tsx
+++ b/src/components/tools/ProgressBar.tsx
@@ -5,6 +5,7 @@ import { Card, CardContent } from "@/components/ui/card";
 import { Progress } from "@/components/ui/progress";
 import { CheckCircle2, XCircle, Loader2 } from "lucide-react";
 import { cn } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";
 import type { ProcessingProgress } from "@/types";

 interface ProgressBarProps {
@@ -29,6 +30,7 @@ const statusColors = {
 };

 export function ProgressBar({ progress, className }: ProgressBarProps) {
+  const { t } = useTranslation();
  const { status, progress: value, message, error } = progress;
  const showProgress = status === "uploading" || status === "processing";
  const Icon = statusIcons[status];
@@ -46,11 +48,11 @@ export function ProgressBar({ progress, className }: ProgressBarProps) {
                  statusColors[status]
                )}
              >
-                {status === "idle" && "Ready to process"}
-                {status === "uploading" && "Uploading..."}
-                {status === "processing" && "Processing..."}
-                {status === "completed" && "Completed!"}
-                {status === "failed" && "Failed"}
+                {status === "idle" && t("progress.status.idle")}
+                {status === "uploading" && t("progress.status.uploading")}
+                {status === "processing" && t("progress.status.processing")}
+                {status === "completed" && t("progress.status.completed")}
+                {status === "failed" && t("progress.status.failed")}
              </p>
              {showProgress && (
                <span className="text-sm font-medium text-muted-foreground">
--- a/src/components/tools/ResultPreview.tsx
+++ b/src/components/tools/ResultPreview.tsx
@@ -6,6 +6,7 @@ import { Card, CardContent } from "@/components/ui/card";
 import { Button } from "@/components/ui/button";
 import { Badge } from "@/components/ui/badge";
 import { formatFileSize } from "@/lib/utils";
+import { useTranslation } from "@/lib/i18n";
 import type { ProcessedFile } from "@/types";

 interface ResultPreviewProps {
@@ -21,6 +22,8 @@ export function ResultPreview({
  onShare,
  className,
 }: ResultPreviewProps) {
+  const { t, plural } = useTranslation();
+
  if (results.length === 0) return null;

  const getFileIcon = (type: string) => {
@@ -36,7 +39,7 @@ export function ResultPreview({

    if (metadata.compressionRatio) {
      badges.push({
-        label: `Saved ${metadata.compressionRatio}%`,
+        label: t("results.saved", { ratio: metadata.compressionRatio }),
        variant: "default" as const,
      });
    }
@@ -58,9 +61,12 @@ export function ResultPreview({
      className={className}
    >
      <div className="mb-4">
-        <h3 className="text-lg font-semibold">Processing Complete</h3>
+        <h3 className="text-lg font-semibold">{t("results.processingComplete")}</h3>
        <p className="text-sm text-muted-foreground">
-          {results.length} file{results.length > 1 ? "s" : ""} ready for download
+          {t("results.filesReady", {
+            count: results.length,
+            file: plural("results.file", results.length),
+          })}
        </p>
      </div>

@@ -115,7 +121,7 @@ export function ResultPreview({
                      variant="outline"
                      size="icon"
                      onClick={() => onDownload(result.id)}
-                      title="Download"
+                      title={t("common.download")}
                    >
                      <Download className="h-4 w-4" />
                    </Button>
@@ -124,7 +130,7 @@ export function ResultPreview({
                        variant="outline"
                        size="icon"
                        onClick={() => onShare(result.id)}
-                        title="Share"
+                        title={t("common.share")}
                      >
                        <Share2 className="h-4 w-4" />
                      </Button>
--- a/src/components/ui/dropdown-menu.tsx
+++ b/src/components/ui/dropdown-menu.tsx
@@ -0,0 +1,191 @@
+"use client";
+
+import * as React from "react";
+import * as DropdownMenuPrimitive from "@radix-ui/react-dropdown-menu";
+import { Check, ChevronRight } from "lucide-react";
+import { cn } from "@/lib/utils";
+
+const DropdownMenu = DropdownMenuPrimitive.Root;
+const DropdownMenuTrigger = DropdownMenuPrimitive.Trigger;
+const DropdownMenuGroup = DropdownMenuPrimitive.Group;
+const DropdownMenuPortal = DropdownMenuPrimitive.Portal;
+const DropdownMenuSub = DropdownMenuPrimitive.Sub;
+const DropdownMenuRadioGroup = DropdownMenuPrimitive.RadioGroup;
+
+const DropdownMenuSubTrigger = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubTrigger>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubTrigger> & {
+    inset?: boolean;
+  }
+>(({ className, inset, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubTrigger
+    ref={ref}
+    className={cn(
+      "flex cursor-default select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none focus:bg-accent data-[state=open]:bg-accent [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  >
+    {children}
+    <ChevronRight className="ml-auto" />
+  </DropdownMenuPrimitive.SubTrigger>
+));
+DropdownMenuSubTrigger.displayName = DropdownMenuPrimitive.SubTrigger.displayName;
+
+const DropdownMenuSubContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.SubContent>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.SubContent>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.SubContent
+    ref={ref}
+    className={cn(
+      "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-lg data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+      className
+    )}
+    {...props}
+  />
+));
+DropdownMenuSubContent.displayName = DropdownMenuPrimitive.SubContent.displayName;
+
+const DropdownMenuContent = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Content>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Content>
+>(({ className, sideOffset = 4, ...props }, ref) => (
+  <DropdownMenuPrimitive.Portal>
+    <DropdownMenuPrimitive.Content
+      ref={ref}
+      sideOffset={sideOffset}
+      className={cn(
+        "z-50 min-w-[8rem] overflow-hidden rounded-md border bg-popover p-1 text-popover-foreground shadow-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[side=bottom]:slide-in-from-top-2 data-[side=left]:slide-in-from-right-2 data-[side=right]:slide-in-from-left-2 data-[side=top]:slide-in-from-bottom-2",
+        className
+      )}
+      {...props}
+    />
+  </DropdownMenuPrimitive.Portal>
+));
+DropdownMenuContent.displayName = DropdownMenuPrimitive.Content.displayName;
+
+const DropdownMenuItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Item>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Item> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Item
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center gap-2 rounded-sm px-2 py-1.5 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50 [&_svg]:pointer-events-none [&_svg]:size-4 [&_svg]:shrink-0",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+));
+DropdownMenuItem.displayName = DropdownMenuPrimitive.Item.displayName;
+
+const DropdownMenuCheckboxItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.CheckboxItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.CheckboxItem>
+>(({ className, children, checked, ...props }, ref) => (
+  <DropdownMenuPrimitive.CheckboxItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    checked={checked}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <Check className="h-4 w-4" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.CheckboxItem>
+));
+DropdownMenuCheckboxItem.displayName = DropdownMenuPrimitive.CheckboxItem.displayName;
+
+const DropdownMenuRadioItem = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.RadioItem>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.RadioItem>
+>(({ className, children, ...props }, ref) => (
+  <DropdownMenuPrimitive.RadioItem
+    ref={ref}
+    className={cn(
+      "relative flex cursor-default select-none items-center rounded-sm py-1.5 pl-8 pr-2 text-sm outline-none transition-colors focus:bg-accent focus:text-accent-foreground data-[disabled]:pointer-events-none data-[disabled]:opacity-50",
+      className
+    )}
+    {...props}
+  >
+    <span className="absolute left-2 flex h-3.5 w-3.5 items-center justify-center">
+      <DropdownMenuPrimitive.ItemIndicator>
+        <span className="h-2 w-2 rounded-full bg-current" />
+      </DropdownMenuPrimitive.ItemIndicator>
+    </span>
+    {children}
+  </DropdownMenuPrimitive.RadioItem>
+));
+DropdownMenuRadioItem.displayName = DropdownMenuPrimitive.RadioItem.displayName;
+
+const DropdownMenuLabel = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Label>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Label> & {
+    inset?: boolean;
+  }
+>(({ className, inset, ...props }, ref) => (
+  <DropdownMenuPrimitive.Label
+    ref={ref}
+    className={cn(
+      "px-2 py-1.5 text-sm font-semibold",
+      inset && "pl-8",
+      className
+    )}
+    {...props}
+  />
+));
+DropdownMenuLabel.displayName = DropdownMenuPrimitive.Label.displayName;
+
+const DropdownMenuSeparator = React.forwardRef<
+  React.ElementRef<typeof DropdownMenuPrimitive.Separator>,
+  React.ComponentPropsWithoutRef<typeof DropdownMenuPrimitive.Separator>
+>(({ className, ...props }, ref) => (
+  <DropdownMenuPrimitive.Separator
+    ref={ref}
+    className={cn("-mx-1 my-1 h-px bg-muted", className)}
+    {...props}
+  />
+));
+DropdownMenuSeparator.displayName = DropdownMenuPrimitive.Separator.displayName;
+
+const DropdownMenuShortcut = ({
+  className,
+  ...props
+}: React.HTMLAttributes<HTMLSpanElement>) => {
+  return (
+    <span
+      className={cn("ml-auto text-xs tracking-widest opacity-60", className)}
+      {...props}
+    />
+  );
+};
+DropdownMenuShortcut.displayName = "DropdownMenuShortcut";
+
+export {
+  DropdownMenu,
+  DropdownMenuTrigger,
+  DropdownMenuContent,
+  DropdownMenuItem,
+  DropdownMenuCheckboxItem,
+  DropdownMenuRadioItem,
+  DropdownMenuLabel,
+  DropdownMenuSeparator,
+  DropdownMenuShortcut,
+  DropdownMenuGroup,
+  DropdownMenuPortal,
+  DropdownMenuSub,
+  DropdownMenuSubContent,
+  DropdownMenuSubTrigger,
+  DropdownMenuRadioGroup,
+};
--- a/src/lib/i18n.ts
+++ b/src/lib/i18n.ts
@@ -0,0 +1,85 @@
+import { create } from "zustand";
+import { persist, createJSONStorage } from "zustand/middleware";
+import en from "@/locales/en.json";
+import zh from "@/locales/zh.json";
+
+export type Locale = "en" | "zh";
+export type LocaleMessages = typeof en;
+
+export const locales: Record<Locale, { name: string; flag: string }> = {
+  en: { name: "English", flag: "🇺🇸" },
+  zh: { name: "中文", flag: "🇨🇳" },
+};
+
+const messages: Record<Locale, LocaleMessages> = { en, zh };
+
+interface I18nState {
+  locale: Locale;
+  setLocale: (locale: Locale) => void;
+  t: (key: string, params?: Record<string, string | number>) => string;
+}
+
+function getNestedValue(obj: any, path: string): string | unknown {
+  return path.split(".").reduce((acc, part) => acc?.[part], obj) || path;
+}
+
+function interpolate(template: string, params: Record<string, string | number | unknown> = {}): string {
+  return template.replace(/\{\{(\w+)\}\}/g, (_, key) => {
+    const value = params[key];
+    if (value === undefined || value === null) return `{{${key}}}`;
+    return String(value);
+  });
+}
+
+export const useI18nStore = create<I18nState>()(
+  persist(
+    (set, get) => ({
+      locale: "en",
+      setLocale: (locale) => set({ locale }),
+
+      t: (key, params) => {
+        const { locale } = get();
+        const value = getNestedValue(messages[locale], key);
+        // If the value is not a string (e.g., an array), return it as-is
+        if (typeof value !== "string") return value as string;
+        if (!params || Object.keys(params).length === 0) return value;
+        return interpolate(value, params);
+      },
+    }),
+    {
+      name: "locale-storage",
+      storage: createJSONStorage(() => localStorage),
+    }
+  )
+);
+
+// Convenience hook
+export function useTranslation() {
+  const { locale, setLocale, t } = useI18nStore();
+
+  const plural = (key: string, count: number) => {
+    const suffix = count === 1 ? "_one" : "_other";
+    return t(`${key}${suffix}`, { count });
+  };
+
+  return {
+    locale,
+    setLocale,
+    t,
+    plural,
+    locales,
+  };
+}
+
+// Helper for SSR
+export function getServerTranslations(locale: Locale = "en") {
+  return {
+    locale,
+    t: (key: string, params?: Record<string, string | number>) => {
+      const value = getNestedValue(messages[locale], key);
+      if (typeof value !== "string") return value as string;
+      if (!params || Object.keys(params).length === 0) return value;
+      return interpolate(value, params);
+    },
+  };
+}
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -0,0 +1,254 @@
+{
+  "common": {
+    "appName": "KYMR",
+    "loading": "Loading...",
+    "save": "Save",
+    "cancel": "Cancel",
+    "delete": "Delete",
+    "edit": "Edit",
+    "close": "Close",
+    "confirm": "Confirm",
+    "back": "Back",
+    "next": "Next",
+    "download": "Download",
+    "share": "Share",
+    "reset": "Reset",
+    "submit": "Submit",
+    "tryNow": "Try it now",
+    "learnMore": "Learn More",
+    "getStarted": "Get Started",
+    "startBuilding": "Start Building",
+    "viewPricing": "View Pricing",
+    "contactSales": "Contact Sales",
+    "signIn": "Sign In",
+    "register": "Register",
+    "features": "Features",
+    "settings": "Settings",
+    "processing": "Processing...",
+    "uploading": "Uploading...",
+    "completed": "Completed!",
+    "failed": "Failed",
+    "ready": "Ready to process",
+    "file": "File",
+    "files": "files"
+  },
+  "nav": {
+    "tools": "Tools",
+    "pricing": "Pricing",
+    "docs": "Docs",
+    "about": "About",
+    "dashboard": "Dashboard",
+    "overview": "Overview",
+    "account": "Account"
+  },
+  "home": {
+    "hero": {
+      "badge": "Media Processing Tools",
+      "title": "Empowering Game Development",
+      "description": "Video to frames, image compression, audio optimization. Everything you need to prepare game assets, in one place.",
+      "stats": {
+        "developers": "Developers",
+        "filesProcessed": "Files Processed",
+        "uptime": "Uptime"
+      }
+    },
+    "featuresSection": {
+      "title": "Everything You Need",
+      "description": "Powerful tools designed specifically for game developers"
+    },
+    "tools": {
+      "videoToFrames": {
+        "title": "Video to Frames",
+        "description": "Extract frames from videos with customizable frame rates. Perfect for sprite animations."
+      },
+      "imageCompression": {
+        "title": "Image Compression",
+        "description": "Optimize images for web and mobile without quality loss. Support for batch processing."
+      },
+      "audioCompression": {
+        "title": "Audio Compression",
+        "description": "Compress and convert audio files to various formats. Adjust bitrate and sample rate."
+      },
+      "aiTools": {
+        "title": "More Tools",
+        "description": "Additional utilities for game development. Coming soon."
+      }
+    },
+    "benefits": {
+      "title": "Why Choose KYMR?",
+      "description": "We understand the unique challenges of game development. Our tools are built to help you work faster and smarter.",
+      "lightningFast": {
+        "title": "Lightning Fast",
+        "description": "Process files in seconds with our optimized infrastructure."
+      },
+      "secure": {
+        "title": "Secure & Private",
+        "description": "Your files are encrypted and automatically deleted after processing."
+      },
+      "forDevelopers": {
+        "title": "Built for Developers",
+        "description": "API access, batch processing, and tools designed for game development workflows."
+      }
+    },
+    "pricing": {
+      "title": "Simple, Transparent Pricing",
+      "description": "Start free, scale as you grow. No hidden fees.",
+      "plans": {
+        "free": {
+          "name": "Free",
+          "price": "$0",
+          "description": "Perfect for trying out",
+          "features": ["10 processes per day", "50MB max file size", "Basic tools", "Community support"],
+          "cta": "Get Started"
+        },
+        "pro": {
+          "name": "Pro",
+          "price": "$19",
+          "period": "/month",
+          "description": "For serious developers",
+          "features": ["Unlimited processes", "500MB max file size", "All tools including AI", "Priority support", "API access"],
+          "cta": "Start Free Trial",
+          "popular": "Most Popular"
+        },
+        "enterprise": {
+          "name": "Enterprise",
+          "price": "Custom",
+          "description": "For teams and businesses",
+          "features": ["Everything in Pro", "Unlimited file size", "Custom integrations", "Dedicated support", "SLA guarantee"],
+          "cta": "Contact Sales"
+        }
+      }
+    },
+    "cta": {
+      "title": "Ready to Level Up?",
+      "description": "Join thousands of game developers building amazing games with our tools.",
+      "getStarted": "Get Started for Free"
+    }
+  },
+  "sidebar": {
+    "tools": "Tools",
+    "aiTools": "More Tools",
+    "videoToFrames": "Video to Frames",
+    "imageCompression": "Image Compression",
+    "audioCompression": "Audio Compression",
+    "aiImage": "AI Image",
+    "aiAudio": "AI Audio"
+  },
+  "uploader": {
+    "dropFiles": "Drag & drop files here",
+    "dropActive": "Drop your files here",
+    "fileRejected": "File type not accepted",
+    "browseFiles": "or click to browse • Max {{maxSize}} • Up to {{maxFiles}} {{file}}",
+    "file_one": "file",
+    "file_other": "files"
+  },
+  "progress": {
+    "status": {
+      "idle": "Ready to process",
+      "uploading": "Uploading...",
+      "processing": "Processing...",
+      "completed": "Completed!",
+      "failed": "Failed"
+    }
+  },
+  "config": {
+    "imageCompression": {
+      "title": "Compression Settings",
+      "description": "Configure compression options",
+      "quality": "Compression Quality",
+      "qualityDescription": "Lower quality = smaller file size",
+      "format": "Output Format",
+      "formatDescription": "Convert to a different format (optional)",
+      "formatOriginal": "Original",
+      "formatJpeg": "JPEG",
+      "formatPng": "PNG",
+      "formatWebp": "WebP"
+    },
+    "videoFrames": {
+      "title": "Export Settings",
+      "description": "Configure how frames are extracted",
+      "fps": "Frame Rate",
+      "fpsDescription": "Number of frames to extract per second",
+      "format": "Output Format",
+      "formatDescription": "Image format for the extracted frames",
+      "quality": "Quality",
+      "qualityDescription": "Image quality (for JPEG and WebP)"
+    },
+    "audioCompression": {
+      "title": "Audio Settings",
+      "description": "Configure compression parameters",
+      "bitrate": "Bitrate",
+      "bitrateDescription": "Higher bitrate = better quality, larger file",
+      "format": "Output Format",
+      "formatDescription": "Target audio format",
+      "sampleRate": "Sample Rate",
+      "sampleRateDescription": "Audio sample rate in Hz",
+      "channels": "Channels",
+      "channelsDescription": "Audio channels",
+      "stereo": "Stereo (2 channels)",
+      "mono": "Mono (1 channel)"
+    }
+  },
+  "tools": {
+    "imageCompression": {
+      "title": "Image Compression",
+      "description": "Optimize images for web and mobile without quality loss",
+      "compressImages": "Compress Images",
+      "features": "Features",
+      "featureList": [
+        "Batch processing - compress multiple images at once",
+        "Smart compression - maintains visual quality",
+        "Format conversion - PNG to JPEG, WebP, and more",
+        "Up to 80% size reduction without quality loss"
+      ]
+    },
+    "videoFrames": {
+      "title": "Video to Frames",
+      "description": "Extract frames from videos with customizable settings",
+      "processVideo": "Process Video",
+      "howItWorks": "How it works",
+      "steps": [
+        "Upload your video file (MP4, MOV, AVI, etc.)",
+        "Configure frame rate, format, and quality",
+        "Click \"Process Video\" to start extraction",
+        "Download the ZIP file with all frames"
+      ]
+    },
+    "audioCompression": {
+      "title": "Audio Compression",
+      "description": "Compress and convert audio files with quality control",
+      "compressAudio": "Compress Audio",
+      "supportedFormats": "Supported Formats",
+      "input": "Input",
+      "output": "Output",
+      "inputFormats": "MP3, WAV, OGG, AAC, FLAC, M4A",
+      "outputFormats": "MP3, AAC, OGG, FLAC"
+    }
+  },
+  "processing": {
+    "uploadingImages": "Uploading images...",
+    "compressingImages": "Compressing images...",
+    "uploadingVideo": "Uploading video...",
+    "extractingFrames": "Extracting frames...",
+    "uploadingAudio": "Uploading audio...",
+    "compressingAudio": "Compressing audio...",
+    "compressionComplete": "Compression complete!",
+    "processingComplete": "Processing complete!",
+    "compressionFailed": "Compression failed",
+    "processingFailed": "Processing failed",
+    "unknownError": "Unknown error",
+    "uploadProgress": "Uploading... {{progress}}%",
+    "compressProgress": "Compressing... {{progress}}%",
+    "processProgress": "Processing... {{progress}}%"
+  },
+  "results": {
+    "processingComplete": "Processing Complete",
+    "filesReady": "{{count}} {{file}} ready for download",
+    "file_one": "file",
+    "file_other": "files",
+    "saved": "Saved {{ratio}}%"
+  },
+  "footer": {
+    "tagline": "Media processing tools for game developers. Extract frames, compress images, optimize audio."
+  }
+}
--- a/src/locales/zh.json
+++ b/src/locales/zh.json
@@ -0,0 +1,254 @@
+{
+  "common": {
+    "appName": "KYMR",
+    "loading": "加载中...",
+    "save": "保存",
+    "cancel": "取消",
+    "delete": "删除",
+    "edit": "编辑",
+    "close": "关闭",
+    "confirm": "确认",
+    "back": "返回",
+    "next": "下一步",
+    "download": "下载",
+    "share": "分享",
+    "reset": "重置",
+    "submit": "提交",
+    "tryNow": "立即尝试",
+    "learnMore": "了解更多",
+    "getStarted": "开始使用",
+    "startBuilding": "开始创作",
+    "viewPricing": "查看价格",
+    "contactSales": "联系销售",
+    "signIn": "登录",
+    "register": "注册",
+    "features": "功能",
+    "settings": "设置",
+    "processing": "处理中...",
+    "uploading": "上传中...",
+    "completed": "已完成！",
+    "failed": "失败",
+    "ready": "准备处理",
+    "file": "文件",
+    "files": "文件"
+  },
+  "nav": {
+    "tools": "工具",
+    "pricing": "价格",
+    "docs": "文档",
+    "about": "关于",
+    "dashboard": "仪表盘",
+    "overview": "概览",
+    "account": "账户"
+  },
+  "home": {
+    "hero": {
+      "badge": "媒体处理工具",
+      "title": "为小游戏开发提供全链路提效赋能",
+      "description": "视频抽帧、图片压缩、音频优化。一站式游戏素材处理工具，让开发更高效。",
+      "stats": {
+        "developers": "开发者",
+        "filesProcessed": "文件处理量",
+        "uptime": "正常运行时间"
+      }
+    },
+    "featuresSection": {
+      "title": "您需要的一切",
+      "description": "专为游戏开发者设计的强大工具"
+    },
+    "tools": {
+      "videoToFrames": {
+        "title": "视频抽帧",
+        "description": "从视频中提取帧，可自定义帧率。非常适合精灵动画制作。"
+      },
+      "imageCompression": {
+        "title": "图片压缩",
+        "description": "为网页和移动端优化图片，不影响质量。支持批量处理。"
+      },
+      "audioCompression": {
+        "title": "音频压缩",
+        "description": "压缩并转换音频文件为多种格式。调整比特率和采样率。"
+      },
+      "aiTools": {
+        "title": "更多工具",
+        "description": "更多游戏开发实用工具，敬请期待。"
+      }
+    },
+    "benefits": {
+      "title": "为什么选择 KYMR？",
+      "description": "我们了解游戏开发的独特挑战。我们的工具帮助您更快速、更智能地工作。",
+      "lightningFast": {
+        "title": "极速处理",
+        "description": "通过优化的基础设施，在几秒钟内处理文件。"
+      },
+      "secure": {
+        "title": "安全私密",
+        "description": "您的文件将被加密，处理完成后自动删除。"
+      },
+      "forDevelopers": {
+        "title": "专为开发者打造",
+        "description": "API 访问、批量处理，以及专为游戏开发工作流程设计的工具。"
+      }
+    },
+    "pricing": {
+      "title": "简单透明的定价",
+      "description": "免费开始，随您增长。无隐藏费用。",
+      "plans": {
+        "free": {
+          "name": "免费版",
+          "price": "¥0",
+          "description": "适合尝试使用",
+          "features": ["每天 10 次处理", "最大 50MB 文件", "基础工具", "社区支持"],
+          "cta": "开始使用"
+        },
+        "pro": {
+          "name": "专业版",
+          "price": "¥99",
+          "period": "/月",
+          "description": "适合专业开发者",
+          "features": ["无限处理次数", "最大 500MB 文件", "所有工具包括 AI", "优先支持", "API 访问"],
+          "cta": "免费试用",
+          "popular": "最受欢迎"
+        },
+        "enterprise": {
+          "name": "企业版",
+          "price": "定制",
+          "description": "适合团队和企业",
+          "features": ["专业版所有功能", "无限文件大小", "定制集成", "专属支持", "SLA 保证"],
+          "cta": "联系销售"
+        }
+      }
+    },
+    "cta": {
+      "title": "准备好升级了吗？",
+      "description": "加入数千名使用我们工具开发精彩游戏的开发者。",
+      "getStarted": "免费开始"
+    }
+  },
+  "sidebar": {
+    "tools": "工具",
+    "aiTools": "更多工具",
+    "videoToFrames": "视频抽帧",
+    "imageCompression": "图片压缩",
+    "audioCompression": "音频压缩",
+    "aiImage": "AI 图片",
+    "aiAudio": "AI 音频"
+  },
+  "uploader": {
+    "dropFiles": "拖拽文件到这里",
+    "dropActive": "释放文件即可上传",
+    "fileRejected": "不支持的文件类型",
+    "browseFiles": "或点击选择文件 • 最大 {{maxSize}} • 最多 {{maxFiles}} 个{{file}}",
+    "file_one": "文件",
+    "file_other": "文件"
+  },
+  "progress": {
+    "status": {
+      "idle": "准备处理",
+      "uploading": "上传中...",
+      "processing": "处理中...",
+      "completed": "已完成！",
+      "failed": "失败"
+    }
+  },
+  "config": {
+    "imageCompression": {
+      "title": "压缩设置",
+      "description": "配置压缩选项",
+      "quality": "压缩质量",
+      "qualityDescription": "质量越低 = 文件越小",
+      "format": "输出格式",
+      "formatDescription": "转换为其他格式（可选）",
+      "formatOriginal": "原始",
+      "formatJpeg": "JPEG",
+      "formatPng": "PNG",
+      "formatWebp": "WebP"
+    },
+    "videoFrames": {
+      "title": "导出设置",
+      "description": "配置帧提取方式",
+      "fps": "帧率",
+      "fpsDescription": "每秒提取的帧数",
+      "format": "输出格式",
+      "formatDescription": "提取帧的图片格式",
+      "quality": "质量",
+      "qualityDescription": "图片质量（适用于 JPEG 和 WebP）"
+    },
+    "audioCompression": {
+      "title": "音频设置",
+      "description": "配置压缩参数",
+      "bitrate": "比特率",
+      "bitrateDescription": "比特率越高 = 质量越好，文件越大",
+      "format": "输出格式",
+      "formatDescription": "目标音频格式",
+      "sampleRate": "采样率",
+      "sampleRateDescription": "音频采样率（Hz）",
+      "channels": "声道",
+      "channelsDescription": "音频声道",
+      "stereo": "立体声（2 声道）",
+      "mono": "单声道（1 声道）"
+    }
+  },
+  "tools": {
+    "imageCompression": {
+      "title": "图片压缩",
+      "description": "为网页和移动端优化图片，不影响质量",
+      "compressImages": "压缩图片",
+      "features": "功能特点",
+      "featureList": [
+        "批量处理 - 一次压缩多张图片",
+        "智能压缩 - 保持视觉质量",
+        "格式转换 - PNG 转 JPEG、WebP 等",
+        "高达 80% 的压缩率且不影响质量"
+      ]
+    },
+    "videoFrames": {
+      "title": "视频抽帧",
+      "description": "从视频中提取帧，可自定义设置",
+      "processVideo": "处理视频",
+      "howItWorks": "工作原理",
+      "steps": [
+        "上传视频文件（MP4、MOV、AVI 等）",
+        "配置帧率、格式和质量",
+        "点击「处理视频」开始提取",
+        "下载包含所有帧的 ZIP 文件"
+      ]
+    },
+    "audioCompression": {
+      "title": "音频压缩",
+      "description": "压缩并转换音频文件，可控质量",
+      "compressAudio": "压缩音频",
+      "supportedFormats": "支持的格式",
+      "input": "输入",
+      "output": "输出",
+      "inputFormats": "MP3、WAV、OGG、AAC、FLAC、M4A",
+      "outputFormats": "MP3、AAC、OGG、FLAC"
+    }
+  },
+  "processing": {
+    "uploadingImages": "上传图片中...",
+    "compressingImages": "压缩图片中...",
+    "uploadingVideo": "上传视频中...",
+    "extractingFrames": "提取帧中...",
+    "uploadingAudio": "上传音频中...",
+    "compressingAudio": "压缩音频中...",
+    "compressionComplete": "压缩完成！",
+    "processingComplete": "处理完成！",
+    "compressionFailed": "压缩失败",
+    "processingFailed": "处理失败",
+    "unknownError": "未知错误",
+    "uploadProgress": "上传中... {{progress}}%",
+    "compressProgress": "压缩中... {{progress}}%",
+    "processProgress": "处理中... {{progress}}%"
+  },
+  "results": {
+    "processingComplete": "处理完成",
+    "filesReady": "{{count}} 个{{file}}可下载",
+    "file_one": "文件",
+    "file_other": "文件",
+    "saved": "节省 {{ratio}}%"
+  },
+  "footer": {
+    "tagline": "面向游戏开发者的媒体处理工具。视频抽帧、图片压缩、音频优化。"
+  }
+}