Summarize any YouTube
video in seconds
Paste a link and get a clean summary with the key points, in your language, in under a minute. No sign-up for your first one.
Free · no sign-up for your first summary · works in 50+ languages
Built for people who skip long videos
Lectures, podcasts, product reviews, conference talks, turn YouTube into readable, searchable notes.
Lectures & courses
Turn a 90-minute lecture into chaptered notes you can review before an exam.
Podcasts & interviews
Skip to the takeaways: get the gist of a long episode in a minute.
Talks & keynotes
Capture the key arguments from conference talks without rewatching.
Reviews & tutorials
Pull the steps and verdict from any how-to or product review.
How it works
Paste the link
Drop any YouTube URL into the box above: shorts, talks, and long replays all work.
We read the captions
Welto reads the video's transcript and structures it, no download, no waiting on a render.
Get your summary
A clean overview plus the key points, with the full transcript one click away.
Questions, answered
Yes: your first summary is free with no sign-up. Create a free account to summarize more, save them, and unlock captions, subtitles and repurposing.
Welto reads the video's existing caption track, then uses AI to produce a faithful overview and key points. Because it reads captions directly, most videos summarize in under a minute.
Yes. It summarizes in the transcript's language and can translate summaries into 50+ languages.
A few videos ship without a caption track. For those, and for your own uploads, Welto can transcribe the audio directly inside the app.
Do more than summarize
Captions, subtitles, translations, and one-click repurposing to every channel, all from the same transcript.
Get started: it's free