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Turn any PDF into a mind map with AI

Upload a textbook chapter, lecture slides, or your own notes. DeckOwl builds a mind map with branches you can edit, rearrange, and explore as you study.

Create mind maps nowFree · No credit card required

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

How a mind map maker for PDFs saves study time

A chapter of biology notes can run to thirty pages, and the ideas inside it are linked in ways a list cannot show. A mind map maker for PDFs reads the file, picks out the central concept and its main subtopics, and arranges them as branches so you can see how they connect.

  • Upload a PDF, DOCX, PPTX, or photo of a page and get a map from its content.
  • Edit node names and layout so the map reflects your course, not only the source file.
  • Expand branches one at a time to study a single topic without distraction.
  • Start free with 3 generations per month and study the map in your browser.
Example photosynthesis mind map branches
Light-dependent reactionsOccur in thylakoid membranes · Split water and release oxygen · Produce ATP and NADPH
Calvin cycleTakes place in the stroma · Fixes carbon dioxide using RuBP · Uses ATP and NADPH to build sugar
Chloroplast structureThylakoids stacked into grana · Stroma surrounds the thylakoids · Double membrane encloses the organelle
Factors that limit the rateLight intensity · Carbon dioxide concentration · Temperature
Reactants and productsReactants: carbon dioxide and water · Products: glucose and oxygen · Light energy drives the process
Generate the full set

Built from your own PDF

Upload a PDF, DOCX, PPTX, or plain text notes and the main ideas become branches of one map.

Editable branches

Rename, move, or delete any node so the map matches how your course organizes the material.

Explore at your own pace

Expand or collapse branches to focus on one topic at a time instead of scrolling a full page of text.

How it works

Upload your PDF

Add the file or paste your notes. Photos of pages are read with text recognition.

Review the generated map

Check the central topic and the branches the AI pulled from your material.

Edit and explore

Adjust the layout, then open each branch to study the sub-points in order.

The map is a starting point, not a finished answer. You can reword a branch that uses the textbook's phrasing, merge two branches that overlap, or add a node from your own lecture. Because the map stays editable, it can grow with the course instead of being outdated after one study session.

Mind maps work best when you test yourself on them. Cover a branch, try to name its sub-points from memory, then open it to check. That habit turns the map from a picture into a study tool.

Explore related topics

Frequently asked questions

How should I organize a mind map for a long chapter?

Start with one central idea from the chapter title, then add the main sections as first-level branches. Keep sub-points short, usually a single phrase each, so the map stays readable at a glance.

What should go on the branches of a photosynthesis mind map?

Use the two main stages, the light-dependent reactions and the Calvin cycle, as the first branches. Under each, list where it happens, what goes in, and what comes out, since those are the points exams usually ask about.

Can I export the mind map if I use the free plan?

The free plan lets you study in the browser with 3 generations per month, but exports are part of the paid plans. Plus, at $39/year or $7.99/month, includes PDF, DOCX, Anki, and CSV export along with unlimited generations.

Do students get a discount?

Yes, students get 40% off with a school email address. You do not need a credit card to start on the free plan.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.