01
Structure that follows the class
Topics stay in teaching order, making it easier to connect each concept to what came before.
From lecture to study guide
Lecture Summarizer
Paste a YouTube lecture or upload a class recording. Get teaching-order notes, key concepts, definitions and review questions in minutes.
YouTube, audio and video Study-ready structure 18+ output languages
Or tap a thumbnail:
What you'll get
Lecture overview
See the main topic, learning objective and conclusion before reviewing the details.
Concepts and definitions
Pull important terms and explanations into a clean revision list.
Teaching-order notes
Follow the lecture's progression instead of reading a disconnected set of bullets.
Review questions
Finish with questions that help you test recall and find weak spots.
Powered by advanced AI · Results typically arrive in 15–60 seconds depending on content length.
Study the signal
Keep the lesson. Skip the rewind loop.
Lecture content needs more than a generic TL;DR. The summary follows the teaching sequence and turns it into material you can revise.
02
Definitions worth keeping
Important terms, frameworks, formulas and examples are separated from surrounding discussion.
03
Multiple recording formats
Use a public YouTube URL or upload common audio and video formats from an online or in-person class.
04
Built-in active recall
A revision checklist and five review questions turn passive notes into a practical study session.
For every kind of class
A faster second pass through the lecture
Exam revision
Condense long recordings into the concepts, definitions and examples most useful for review.
Missed classes
Build an organized first-pass understanding before checking the original recording for detail.
Online courses
Turn YouTube lessons, webinars and recorded modules into searchable notes you can keep.
Turn a recording into study notes
No transcript cleanup or custom prompt required.
1
Add the lecture
Paste a public YouTube URL or upload an audio or video recording up to 100MB.
2
AI follows the teaching flow
The lecture is analyzed for topic changes, explanations, examples and important terms.
3
Review and retain
Copy or download structured notes, then use the revision checklist and questions to study.
FAQ
Lecture Summarizer FAQ
Common questions about lecture notes and recordings
You can paste a public YouTube lecture URL or upload common audio and video files such as MP3, WAV, M4A, MP4, MOV and WebM.