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Turn your notes into a mind map that shows how ideas connect

DeckOwl reads your PDF, DOCX, PPTX, notes, or photos of pages and builds a branching map you can edit and explore.

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What a mind map shows and how to make one

A question many students ask is what is a mind map, and the short answer is a diagram that starts with one central idea and branches outward into related concepts. Each branch holds a key term, and smaller twigs hold the details that support it.

  • Central topic in the middle, with main branches around it
  • Sub-points that stay attached to the branch they explain
  • Editable nodes so you can correct or reorganize anything
  • Works from PDFs, DOCX, PPTX, notes, and photos of pages
Example Cold War mind map branches
CausesIdeological clash between capitalism and communism · Distrust after World War II · Competition over Germany and Eastern Europe
Nuclear arms raceAtomic bomb development by the US and USSR · Doctrine of mutually assured destruction · Arms control treaties such as SALT I
Key crisesBerlin Blockade and Airlift · Korean War · Cuban Missile Crisis
Proxy wars and alliancesNATO formed in 1949 · Warsaw Pact formed in 1955 · Conflicts in Korea and Vietnam
Ending the Cold WarGorbachev's reforms of glasnost and perestroika · Fall of the Berlin Wall in 1989 · Dissolution of the Soviet Union in 1991
Generate the full set

Built from your material

Upload a PDF, DOCX, PPTX, plain text, or a photo of a page and the main ideas become branches.

Editable and explorable

Rename, move, or expand any branch, and click through sub-points to see how a topic breaks down.

Study from the same map

Turn the map's branches into flashcards or quiz questions when you are ready to practice recall.

How it works

Add your source

Upload a file or paste your notes. No credit card is needed to start.

Generate the map

The AI sorts the material into a central topic, main branches, and supporting details.

Explore and edit

Reshape the map until it matches how your course organizes the material.

Mind maps help because they show relationships that a linear outline hides. Seeing how causes, events, and results connect makes it easier to remember the structure of a topic, not just a list of facts.

DeckOwl builds that structure from your own PDF or lecture notes, so the map reflects your course rather than a generic template. You can edit it afterward and keep studying from it in the browser on the free plan.

Explore related topics

Frequently asked questions

What is the difference between a mind map and an outline?

An outline lists ideas in a fixed order from top to bottom, while a mind map radiates from a central idea and shows links between branches. Outlines suit linear processes, and mind maps suit topics with many connections.

How do I make a mind map for history, like the Cold War?

Start with the central topic, then add branches for the main causes, key events, and outcomes. Fill each branch with two or three specific facts, such as names, dates, or agreements, and check that each one links back to the central topic.

Does the mind map feature cost money?

The free plan includes 3 generations per month, and you can explore the resulting map in the browser. Unlimited generations and exports such as PDF, DOCX, Anki, and CSV require the Plus plan at $39/year or $7.99/month.

How many branches should a mind map have?

Most topics work well with 4 to 7 main branches, each with a few sub-points. If a branch grows beyond that, split it into a separate map so the diagram stays readable.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.