YT Subtitle - Video Summarizer & Translator

About

🎬 YT Subtitle is the ultimate YouTube companion for understanding videos in any language. Extract subtitles, translate them with AI, and get smart video summaries — all from a convenient side panel.


✨ Key Features

🔤 Extract Subtitles (SRT Download)
Download subtitles from any YouTube video as an SRT file with just one click. Supports both human-written and auto-generated captions. No AI required — fast and direct.

🌐 AI-Powered Translation
Translate subtitles into 10+ languages using top AI models (ChatGPT, Gemini, DeepSeek, and more). Choose between bilingual (original + translation) or translation-only output. Download the result as an SRT file.

📝 Smart Video Summary
Get AI-generated summaries with key moments, timestamps, and tags. Click any timestamp to jump directly to that part of the video. Perfect for quickly understanding long videos.

🎯 Smart Subtitle Selection
Automatically picks the best available subtitle track — prioritizing human-written captions over auto-generated ones, and matching your browser language.


🔒 Privacy & Security
- No data collection or tracking
- All processing happens locally or through the AI provider you choose
- No account required


💡 How to Use
1. Open any YouTube video
2. Click the extension icon to open the side panel
3. Choose an action: Summarize, Translate, or Extract subtitles
4. Results appear instantly — download SRT files with one click


🌍 Supported Languages
Chinese, English, Japanese, Korean, Spanish, French, German, Portuguese, Russian, Arabic, and more.

🤖 Supported AI Providers
ChatGPT, Google Gemini, DeepSeek, and other popular AI assistants.

Works with all YouTube videos that have subtitles (including auto-generated captions).