YouTube Summarizer
Paste any YouTube link and get an AI summary in seconds. Turn 2-hour lectures into clean, structured notes you can actually study from. Free, no signup needed.
How the YouTube video summarizer works
- 1
Paste the YouTube URL
Any public video: recorded lectures, tutorials, podcasts, documentaries. Up to 3 hours long.
- 2
AI reads and condenses the video
We fetch the captions or transcribe the audio, then AI extracts the key ideas and drops the filler.
- 3
Get a structured summary instantly
Clear headings and bullet points instead of an hour of playback — plus optional flashcards for exam prep.
Built for students, not just skimmers
Most tools give you a paragraph of AI YouTube summary and stop there. Almanac is a YouTube lecture summarizer designed for studying: the summary keeps the structure of the original video, so a 90-minute lecture becomes an outline you can revise from the night before an exam. Save it to your account and Almanac also generates flashcards and quizzes from the same video, then schedules reviews with spaced repetition so the material actually sticks.
Recorded lectures
Catch up on a missed class in minutes instead of rewatching the whole recording.
Exam prep
Turn a semester's worth of lecture videos into revision outlines and flashcards.
Tutorials & talks
Get the key steps from coding tutorials and conference talks without scrubbing the timeline.
Podcasts & interviews
Skim long-form conversations and keep only the takeaways worth remembering.
Frequently asked questions
How does the YouTube summarizer work?
Paste a YouTube URL and AI reads the video's captions (or transcribes the audio if there are none), then condenses everything into a structured summary with headings and bullet points. A 2-hour lecture becomes a 2-minute read.
Can it summarize long university lectures?
Yes — that's what it's built for. Videos up to 3 hours work, including recorded lectures, conference talks, and full podcast episodes. The summary keeps the structure of the original, so you can still follow the professor's argument.
Does it work for videos in other languages?
Yes. Almanac supports 100+ languages. If the video has captions we use them directly; otherwise we transcribe the audio in the detected language and summarize from there.
Is the YouTube summarizer free?
Yes. You can try the summarizer right on this page for free, no signup required (fair-use daily limit). The free app plan includes 3 notebooks; Almanac Pro unlocks unlimited notebooks, audio overviews, and priority AI — current pricing is shown in the app.
What can I do with the summary afterwards?
Save it to your Almanac account to get auto-generated flashcards and quizzes from the same video, then review them with spaced repetition before your exam. You can also copy the summary into your own notes.
Summarize your next lecture in seconds
Use the web app to save summaries, generate flashcards, and study with spaced repetition — or take Almanac to class on your iPhone.