YouTube Translator: Captions, Transcript & AI Summary

Real-time YouTube caption translator and AI video summary in 100+ languages. 10 free uses per day. No API key. No signup.

YouTube Translator translates the live transcript in real time, shows bilingual dual subtitles side-by-side on the video, and gives you an AI summary in seconds. Built for ESL learners and non-English speakers who watch English YouTube every day. 5 free uses per day - no OpenAI API key, no signup required. Features - Real-time transcript translation: translate YouTube captions live in 100 languages as the video plays - Dual subtitles or bilingual subtitles: original and your language side-by-side, right on the video - AI summary with custom ChatGPT prompts: get the key points of any video in seconds, your way - Timestamped transcript export: download in TXT, SRT, or Markdown format - Built for language learners: perfect for learning English with YouTube (or any language) - 10 free summaries every day: no signup, no API key, no credit card - Privacy-first: we do not collect your data Perfect for - ESL or EFL learners who want bilingual subtitles on every YouTube video - Vietnamese, Spanish, Portuguese, Korean, Japanese, Indonesian, Hindi, Arabic, Russian, and Turkish viewers watching English content - Students following lectures, tutorials, or courses in a non-native language - Researchers and journalists who need a fast AI summary before committing to a long video - Content creators studying competitors in other languages - Travelers and remote workers consuming global YouTube content How it works 1. Install the extension and open any YouTube video 2. Click the icon - dual subtitles appear instantly in your chosen language 3. Click "Summarize" for an AI-generated summary with timestamps 4. Export the transcript or summary in one click How is this different from other YouTube summary extensions? Unlike most YouTube summary extensions, YouTube Translator translates the transcript in real time as the video plays - not just the summary afterwards. You get bilingual captions, a YouTube transcript translator, and an AI summarizer in one extension, with a generous free tier and no required API key. FAQ Do I need a ChatGPT or OpenAI API key? No. The free tier works out of the box. Power users can plug in their own key for unlimited custom prompts. Which languages are supported? 100 languages including Vietnamese, Spanish, Portuguese, Korean, Japanese, Chinese, Indonesian, Hindi, Arabic, Russian, Turkish, French, German, Italian, and more. Is it really free? Yes - 5 AI summaries per day Does it work on long videos and live streams? Yes for translation and transcript export. Summaries work best on videos under 2 hours. Does it collect my data? No. Your viewing history stays on your device.