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Synapsi

Free AI mind map generator

Paste a YouTube link, drop a PDF, or paste text and get a mind map: a tree of the main ideas and how they connect. No signup.

Free · no signup · no card

This free AI mind map generator turns any text, PDF, or YouTube video into a tree of the main ideas and how they connect. One central topic branches into concepts and sub-ideas, so you see the structure at a glance. No sign up to try it. Sign up free to get an interactive, editable mind map and the rest of the study kit.

01

Paste your source

A YouTube link, a PDF, or your own notes. No account needed.

02

Run the tool

The AI reads it and builds your result in a few seconds.

03

Study or save

Use it right away, or sign up free to keep it and get the full kit.

Why use this mind map generator

Structure at a glance

A tree from one central topic out to concepts and sub-ideas. You see how the pieces fit, not just a list.

Built from your source

The map reflects the real ideas in your video, PDF, or text, and how they actually relate.

Any source

A YouTube lecture with captions, a PDF, or notes you paste. One mind map generator for all three.

Then make it interactive

Sign up free for an editable mind map you can expand, collapse, and add to yourself.

Who it's for

Students

See how a topic hangs together before the exam, instead of memorizing a flat list of facts.

Researchers

Map how a talk or paper connects to ideas you already know, so the literature stops feeling flat.

Teachers

Sketch the structure of a unit from the reading, then use it to plan how you'll teach it.

Questions

What does the mind map look like?

A tree: one central topic, branching into concepts and sub-ideas. It's a fast way to see structure at a glance.

Can it build a mind map from a YouTube video?

Yes, if the video has captions. Paste the link and it maps the ideas for you.

Is it free?

Yes, run it with no account. Sign up free to get an interactive, editable mind map and the rest of the study kit.

Related study tools

Got a PDF instead? Pull the text out first, then run any study tool on it.

PDF to text