Install on Chrome
Key insights
Extract key ideas from any video directly in YouTube
sum.videoSummarize YouTube videos
Save time on long videos, get key ideas instantly with sum.video
For mobile:iOS AppAndroid App
Install the Chrome extension — we embed this next to videos
30 Years of Business Knowledge in 2hrs 26mins © Simon Squibb
See it in action
Skip the fluff — see what the video really covers
Smart Navigation
Jump to specific topics with timestamped summaries
Top Comment Overview
See if people like you found the video useful
Video to Text
Access transcriptions you can read, search, and save
Multilingual Support
Get summaries and translations in 75 languages
Easy Sharing
Copy or export summaries and send the link in one click
Playlists and Channels
Summarize a whole playlist or a channel's latest videos in one go
Channel Subscriptions
Subscribe to channels and get their new videos summarized
Searchable Library
Search everything you summarized and ask it questions
Read the summary first, then decide if the video is worth your time
Save hours every week on videos
Declutter your Watch list in minutes
Learn faster with concise summaries
Get ahead. Learn more in less time with YouTube AI summaries
See how people like you use our YouTube video summarizer
Busy Professionals
Get the most out of any video before you even watch it
Students
Use our summaries for notes and study sheets
Content Creators
Streamline research and idea generation
Educators
Enhance lesson prep and student engagement
Journalists
Extract key information for breaking news
Casual Viewers
Enjoy more content in less time
Maximize your time. Start using AI YouTube summaries now
For developers
YouTube Transcript API
Fetch the captions of any public YouTube video as JSON, plain text or SRT with one HTTP request. Prepaid credits, no subscription, 10 free credits to start.
From $0.030 per video
- Manual and auto-generated captions in every language
- Failed requests are never charged
- Auto top-up, monthly budgets and low balance alerts
curl -X POST https://sum.video/api/v1/transcript \
-H "X-API-Key: sv_live_…" \
-d '{"url":"https://youtu.be/dQw4w9WgXcQ"}'YouTube summary guides
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How to get a YouTube transcript with an API (curl, Python, JavaScript)
Fetch any public YouTube transcript with one HTTP request. Working curl, Python and JavaScript examples, output formats, error codes and costs.
Turn YouTube videos into notes you will actually reuse
A practical method for turning a YouTube video into short, checkable notes, using a summary with timestamps as the first draft and your own words for the final version.
How to summarize a YouTube livestream replay
Missed a three-hour livestream? Once the replay has captions, you can summarize it with timestamps and jump to the parts that matter. Here is when that works and when it does not.
YouTube summarizer comparisons
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Best YouTube transcript APIs compared: sum.video, Supadata, Transcribr and the Python library
Four ways to get YouTube transcripts in code, compared on price, limits and reliability: sum.video, Supadata, Transcribr and youtube-transcript-api.
Sider alternatives for summarizing YouTube videos
Sider is a multi-model AI sidebar that also summarizes YouTube. If YouTube summaries are all you use it for, a dedicated summarizer is simpler and cheaper. Here is how to decide.
NoteGPT alternatives for YouTube summaries: prices and limits compared
NoteGPT is an all-in-one AI notes suite with paid plans from $9.99 a month. If you mainly summarize YouTube videos, a focused tool can be cheaper. Here is how the options compare.
Real situations, worked through
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YouTube transcripts for a RAG app at scale: credits, auto top-up and budgets
A developer ingests 10,000 YouTube videos into a RAG app. See the cost, the rate limit math, and how auto top-up and budgets keep the spend predictable.
Build a personal knowledge base from YouTube videos
Turn the YouTube videos you learn from into a searchable library of summaries and saved points, with a weekly recap, so you can find an idea again months later.
Studying? Summarize YouTube lectures and podcasts into usable notes
“Studying? Lecture? Podcast? Get key points instantly.” sum.video turns long class uploads into insights, timestamps, and a searchable transcript for notes.
Frequently asked questions
What is sum.video?
sum.video is an AI YouTube summarizer. Paste a video URL or use the Chrome extension to get a concise summary and transcript.
How to summarize YouTube videos with sum.video?
Install the Chrome extension and click Summarize on the video page. You can also prefix a YouTube link with sum.video/.
Can I use sum.video on mobile?
Yes. The website works on phones and tablets. Open sum.video in your mobile browser and paste a YouTube link.
How does sum.video summarize videos?
We fetch the video transcript, then AI extracts the main ideas into a structured summary you can read and navigate.
Can sum.video summarize podcasts and news?
Yes. Any public YouTube video works, including podcasts, news, lectures, and talks hosted on YouTube.
Can I summarize videos in other languages?
Yes. Summaries are available in 75 languages, including English, Spanish, German, French, Japanese, Korean, and more.
Can I summarize lengthy videos?
Yes. It works on short clips and multi-hour lectures, podcasts, and talks hosted on YouTube.
Can I summarize my own videos?
Yes. Any public YouTube video works, including ones you uploaded.
Can sum.video summarize a whole playlist or channel?
Yes. Paste a playlist link, a channel link or an @handle. sum.video summarizes each video and writes one combined summary with the shared points, the differences and which videos are worth watching. You can also compare 2 to 10 videos side by side. Free accounts get one a week with up to 3 videos, and Pro handles up to 50.
Can I get new videos from a YouTube channel summarized?
Yes. Subscribe to a channel in sum.video and its new videos show up in your Subscriptions page every morning. Free accounts can subscribe to 1 channel. With Pro you can subscribe to 10, and every new video is summarized for you automatically.
Watch smarter, not longer with sum.video YouTube video summarizer