YouTube Video Summarizer AI: SignalExtractor

Summarize any YouTube video instantly with AI, ask follow-up questions, and follow channels to get new video summaries by email.

⚡ Summarize any YouTube video in seconds — then let SignalExtractor summarize new videos for you and send them to your inbox. SignalExtractor is an AI YouTube video summarizer. Click the icon on any YouTube video and get a clear summary with the key points and timestamps, so you know what matters without watching the whole thing. 📬 New: video summaries by email Videos pile up faster than anyone can watch them. Follow the YouTube channels you care about and we watch them for you: • Follow up to 10 channels — paste a channel link, an @handle, or any video from the channel • We check them for new uploads a few times a day • You get an email summary of every new video, key points and timestamps included • Pick how often: as videos land, once a day, or once a week • One-click unsubscribe, any time Hours of watching become a two-minute read, and you stop missing the videos you actually wanted to see. 💬 Go beyond the summary • Chat with any video and ask follow-up questions • Dig deeper into specific ideas, claims, or topics • Jump straight to the moment a point is made with timestamped takeaways • Save summaries to your account and revisit them any time • Send a summary straight to your Notion workspace • Share summaries with friends, colleagues, or your audience • Preview a long video before deciding whether it's worth watching • Summarize podcasts, interviews, lectures, talks, reviews, news and tutorials — and videos posted on X 🔍 Discover what's worth knowing SignalExtractor also publishes fresh summaries of popular YouTube videos across a range of topics, so you can find good content and get the takeaways without watching every video yourself. Whether you use YouTube for research, learning, staying informed, or entertainment, SignalExtractor helps you extract the signal and skip the noise. Free to use. No account needed to summarize a video — a free account adds saved history and email summaries.