Paste a YouTube URL — get a 1-sentence, 3-bullet, or paragraph summary. Skip the 2-hour lecture, get the key points. Free, no signup.
Yes, 5 summaries per day with no signup. Sign up free for 50/day.
No. The tool requires captions (either creator-uploaded or auto-generated by YouTube). Most videos longer than 60 seconds have auto-captions.
Up to ~3 hours of audio. Longer videos can be summarized but the captions are processed in chunks, which slows down the result.
Only after the stream ends and YouTube generates captions. Real-time live-stream summarization is on the roadmap.
TextSight uses Claude Sonnet 4 for summarization. Summary accuracy is high (~90% of key points captured) but not perfect — for high-stakes content, watch the original.
Yes, but Shorts are usually too short to need summarization (they're already TLDRs).
No. You're just reading captions YouTube has already published. The tool doesn't download or republish the video.
3 free scans/day, no card. See if your summary reads AI-generated.