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Turn your class notes into a free AI mind map

Upload a PDF, DOCX, slide deck, or photo of your notes and get a branching mind map you can edit and explore. No credit card needed to start.

Create mind maps nowFree · No credit card required

Drop files here or browsePDF, DOCX, PPTX, text or photos of your notes · several files with Plus

Free · First set needs no signup · Creates mind maps in seconds

Why a mind map helps with studying

Students often end up with a stack of lecture slides, a dense textbook chapter, and a week to make sense of it all, and a free AI mind map generator for students can turn that material into a map of main ideas and the details under each one.

Turns PDFs, slides, plain-text notes, and photos of pages into a starting map
Lets you edit branches and add your own points after generation
Lets you explore the map by expanding and collapsing sections
Free plan includes 3 generations per month with studying in the browser

Example photosynthesis mind map branches (high school biology)

Light-dependent reactionsOccur in the thylakoid membranes · Split water and release oxygen · Produce ATP and NADPH

Calvin cycleTakes place in the stroma · Fixes carbon dioxide into G3P · Uses ATP and NADPH from the light reactions

Factors that limit photosynthesisLight intensity · Carbon dioxide concentration · Temperature

Chloroplast structureThylakoids stacked into grana · Stroma surrounds the thylakoids · Double membrane envelope

Inputs and outputsInputs: carbon dioxide, water, light · Outputs: glucose and oxygen

Generate the full set

Works from your own material

Upload PDFs, DOCX or PPTX files, plain-text notes, or photos of pages. Photos are read with text recognition.

Editable and explorable

Rearrange branches, add your own points, and expand or collapse sections so the map matches how you think about the topic.

Study in the browser

The free plan lets you build and study your mind maps right in the browser, with 3 generations per month.

How it works

Add your notes

Upload a file or paste your lecture notes into DeckOwl.

Generate the map

The AI pulls out the main ideas and arranges them as branches with supporting details.

Edit and explore

Change the layout, add missing points, and click through branches to review each idea.

A map makes relationships visible. Seeing how a process, cause, or term connects to the rest of a unit is often easier to remember than a list of separate facts, and you can redraw the branches as your understanding improves.

Start with your own material so the map reflects what your class actually covers. Then use it to quiz yourself by covering branches and recalling their sub-points before checking.

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Sample AI Concept Map for Photosynthesis

See a photosynthesis concept map sample, then build one from your own notes or PDFs.

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Frequently asked questions

How do I organize a mind map for a biology chapter?

Put the chapter's central concept in the middle, then add three to six major branches for the subtopics your teacher emphasized. Place specific terms, facts, and examples on smaller branches under each main one.

How many branches should a study mind map have?

Most chapters work well with four to seven main branches. If one branch holds more than four or five sub-points, split it into two linked branches so each part stays easy to review.

Is the free plan enough to make mind maps?

The free plan includes 3 generations per month and studying in the browser. Exports are a paid feature, so the free plan does not include them.

Can I export my mind map?

Exports are included with Plus at $39/year or $7.99/month, which covers PDF, DOCX, Anki, and CSV. Students get 40% off with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.