YouTube Bilingual Subtitles
概述Watch YouTube videos in any language — with real-time AI bilingual subtitles.
YouTube Bilingual Subtitles automatically layers translated subtitles on top of YouTube videos as you watch. The original caption appears above, and the AI translation appears below — perfectly time-synced, just like professional subtitles.
How It Works
Install the extension
Get a free DeepSeek API key
Open any YouTube video with captions
Click the extension icon → paste your API key → choose target language
Translated subtitles appear automatically on the video
Features
Dual Subtitles: Original + translated text displayed together
AI-Powered: Uses DeepSeek V4 for fast, accurate translations
Three Display Modes: Bilingual / Translation Only / Original Only
Smart Cache: Watch the same video twice? Zero API cost — translations load instantly
Export SRT: Download bilingual subtitles as .srt files
Customizable: Adjust font size, subtitle position, and margins
7 Target Languages: Chinese, English, Japanese, Korean, French, German, Spanish
Lightweight: No account required, no tracking, no server
Privacy
No data collected: Your API key stays in your browser (chrome.storage.local)
No server: All translation requests go directly from your browser to DeepSeek
No tracking: No analytics, no telemetry
观看任意语言的 YouTube 视频——享受实时 AI 双语字幕。
YouTube 双语字幕会在您观看视频时自动将翻译字幕叠加在视频上方。原始字幕显示在上，AI 翻译显示在下——完美同步时间轴，如同专业字幕一般。
**使用方法**
1. 安装扩展程序
2. 获取免费的 DeepSeek API 密钥
3. 打开任意带字幕的 YouTube 视频
4. 点击扩展程序图标 → 粘贴 API 密钥 → 选择目标语言
5. 翻译字幕自动显示在视频上
**功能特性**
- **双语字幕**：原文与译文同时显示
- **AI 驱动**：采用 DeepSeek V4，翻译快速准确
- **三种显示模式**：双语 / 仅译文 / 仅原文
- **智能缓存**：同一视频看两遍？零 API 费用——翻译瞬间加载
- **导出 SRT**：下载双语字幕为 .srt 文件
- **高度自定义**：调整字体大小、字幕位置和边距
- **7 种目标语言**：中文、英文、日文、韩文、法文、德文、西班牙文
- **轻量无负担**：无需账号，无追踪，无服务器
**隐私保护**
- **不收集数据**：您的 API 密钥仅保存在浏览器中（chrome.storage.local）
- **无中间服务器**：所有翻译请求直接从您的浏览器发送至 DeepSeek
- **无追踪**：无分析工具，无遥测数据
YouTube Bilingual Subtitles 1.0.0.crx
.crx
1.0.0
支持
YouTube Bilingual Subtitles 1.0.0.zip
.zip
1.0.0
不支持
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