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Turn your notes into an editable concept map with AI

DeckOwl reads your PDFs, slides, or notes and builds a mind map you can rearrange, expand, and explore branch by branch.

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 account · 3 sets a month · Creates mind maps in seconds

Why a concept map beats a plain list of terms

A concept map shows how ideas connect, not just which terms appear in your reading. When you can see that light-dependent reactions feed energy into the Calvin cycle, the material is easier to remember and explain.

Start with the main topic in the center and add major subtopics as the first branches.
Keep each node to one idea so the links between nodes carry the meaning.
Check that every branch traces back to something in your source material.
Revisit the map after each class and add the new links you find.

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 CO2 using RuBisCO · Uses ATP and NADPH to build sugar

ChlorophyllPigment found in thylakoid membranes · Absorbs mainly blue and red light · Reflects green light

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

Chloroplast structureDouble membrane envelope · Thylakoids stacked into grana · Stroma surrounds the thylakoids

Generate the full set

Built from your material

Upload a PDF, DOCX, PPTX, plain text, or a photo of a page and get a map based on what you actually need to learn.

Editable and explorable

Rename branches, move ideas, and follow links between concepts so the map stays useful as your understanding grows.

Study tools from the same map

Turn the same material into flashcards with spaced repetition or quizzes with explanations when you are ready to practice.

How it works

Upload your notes

Add a file or paste text. No credit card is needed to start.

Generate the map

DeckOwl pulls out the main topic, subtopics, and the links between them.

Edit and explore

Adjust the branches to match your course, then study the map or export it on a paid plan.

Building one by hand takes time, especially when your source is a 40-page chapter or a stack of lecture slides. DeckOwl reads the file, finds the central idea, and lays out the supporting concepts so you can spend your time checking and correcting the map.

Because the output is editable, you stay in control of what goes on the page. Add your professor's terms, remove what does not matter for the exam, and explore each branch until the links make sense.

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Frequently asked questions

How do I start a concept map for a biology unit?

Put the main topic in the center, then add the major subtopics as branches. Link each subtopic to its key terms and a short explanation from your reading.

How many nodes should a concept map have?

A map for a single lecture usually works well with about 10 to 25 nodes. Keep each node to one idea so the connecting lines show the relationships.

Can I edit the map after DeckOwl generates it?

Yes, the generated mind map is editable and you can explore each branch. You can rename, move, and reorganize ideas to match your course.

Do I need to pay to export my map?

The free plan lets you study in the browser with 3 generations per month and no exports. Exporting to PDF, DOCX, Anki, or CSV is included in Plus at $99.90/year or $9.99/month.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.