Free AI summarizer
Paste a YouTube link, drop a PDF, or paste text and get a clear, sectioned summary in seconds. No signup, no card.
This free AI summarizer turns a YouTube video, a PDF, or any text into clear, titled sections in seconds. You get the structure of the material, not a wall of prose. No sign up to try it. Sign up free to save the summary and turn it into flashcards and a quiz on the same source.
Paste your source
A YouTube link, a PDF, or your own notes. No account needed.
Run the tool
The AI reads it and builds your result in a few seconds.
Study or save
Use it right away, or sign up free to keep it and get the full kit.
Why use this ai summarizer
Sectioned, not a blob
The summary comes back as short titled sections, so you can scan the structure and jump to what matters.
Video, PDF, or text
A lecture on YouTube, a reading or slides as a PDF, or text you paste. One summarizer for all three.
Grounded in your source
It summarizes what's actually in the material, not a generic take on the topic.
Then go deeper
Turn the summary into flashcards, a quiz, or a mind map when you want to study it, not just read it.
Who it's for
Students
Get the shape of a lecture or chapter in a minute, then spend your time on the hard parts.
Researchers
Pull the question, method, and result out of a dense paper before deciding to read it in full.
Content creators
Summarize a long video or article into the key sections you want to cover yourself.
Questions
What can I summarize?
A YouTube video with captions, a PDF (readings or slides), or any text you paste. The summary comes back as short titled sections.
Is the summarizer free?
Yes, no account needed. Sign up free to save summaries and turn them into a full study kit with flashcards and a quiz.
How long can the text be?
Up to about 12,000 characters per run, which covers most lectures and articles. For longer material, sign up to process the whole thing.
Related study tools
Got a PDF instead? Pull the text out first, then run any study tool on it.