Summarizer.tube — YouTube AI Summarizer

Free YouTube video summarizer. One-click AI summary with key points, timestamps & chat. No signup. 50+ languages. Works on Shorts.

Summarize any YouTube video in one click — without leaving the page. Summarizer.tube is a free YouTube video summarizer that turns any YouTube video into a paragraph summary plus bulleted key points with clickable timestamps. Click the summary button on the watch page, get the gist of a 30-minute video in about 30 seconds, then jump straight to the moments that matter. No signup, no copy-paste, no extra tabs. WHAT YOU GET • Paragraph summary — the main argument, condensed. • Bulleted key points — the most important takeaways, each with a clickable timestamp. • One-click jump — tap any timestamp to seek directly to that moment in the YouTube player. • AI chat about the video — ask follow-up questions; answers are grounded in the full transcript. • Works on Shorts and long-form videos — lectures, podcasts, conference talks, tutorials. • 50+ languages — manual subtitles or auto-generated captions, including English, Spanish, French, German, Portuguese, Russian, Japanese, Korean, Chinese, Hindi, Arabic. WHY THIS EXTENSION • Truly free. 5 daily summaries on the guest tier — no signup, no email, no card. Want more? Pro is $7.99/month for 100 summaries per day. The free quota is shared between this extension and our website at summarizer.tube — never double-counted. • One purpose, done well. The extension only activates when you click the summarize button on a YouTube watch page. It does not run in the background, does not track browsing, and does not request access to other websites. • Honest about permissions. The extension needs two: "storage" to save your local history, and "webRequest" to read the transcript URL the YouTube player loads on the watch page. No analytics scripts, no third-party trackers. • Same engine as the website. The summary you get from the extension is identical to what you get at summarizer.tube — same AI models, same key-points extraction, same quality. • Indie product. Built and maintained by a small team. Every support email is read; every review is replied to. WHO USES IT • Students reviewing lecture recordings before exams. • Professionals triaging hour-long webinars and conference talks. • Researchers screening video sources for relevance before committing time to watch. • Content creators researching competitors, finding statistics, sourcing references. • Casual learners who watch a lot of YouTube and want to skip the filler. HOW TO USE 1. Install the extension from the Chrome Web Store (this page). 2. Open any YouTube video. 3. Click the summarize button on the watch page. 4. Read the summary, jump to timestamps, or ask follow-up questions in chat. You can also right-click any video card on YouTube and choose "Open on website" to open the full summary in a new tab on summarizer.tube — useful for triaging recommendations and search results without playing every video. FAQ Is it free? Yes. 5 daily summaries on the free tier with no account required. Pro is optional. Does it work without an account? Yes. The extension works as a guest. Sign in only if you want server-side bookmarks or Pro. Does it slow down YouTube? No. The extension only activates when you click the summarize button. Until then, it does nothing on the page. Why does it ask for permission to youtube.com and summarizer.tube? youtube.com to read the transcript URL the player loads. summarizer.tube for cookie-based authentication so you stay signed in across the website and the extension. What languages does it support? 50+ — every language YouTube has captions for, including auto-generated. Can I summarize YouTube Shorts? Yes. Shorts are regular videos under the hood; the extension treats them the same way. Is there a video length limit? No hard limit. Very long videos (3+ hours) may have their transcript trimmed, but the summary still covers the key content. LINKS • Website: https://summarizer.tube • Extension info & FAQ: https://summarizer.tube/extension • Browse public summaries: https://summarizer.tube/summary • Privacy: https://summarizer.tube/legal#privacy