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Turn your notes into a concept map without building it in Canva

Canva works for drawing boxes and arrows. DeckOwl reads your lecture slides or notes and builds the map for you, with branches you can rearrange and expand.

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

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Drawing a concept map by hand or starting from your notes

Many students search how to make a concept map in Canva because they want a clean visual for an exam, and Canva gives you a blank canvas and shapes to work with. The slow part is deciding which ideas belong at the center, which become branches, and how they connect. That structure is the actual study work.

Start with one central idea and limit yourself to four to seven main branches.
Write each branch as a short phrase, not a full sentence, so the map stays scannable.
Label connections with a verb such as causes, requires, or produces to show how ideas relate.
Re-check the map against your source after editing so no detail is lost or invented.

Example photosynthesis mind map branches (biology)

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

Calvin cycleOccurs in the stroma · Fixes carbon dioxide into sugar using RuBisCO · Uses ATP and NADPH from the light reactions

InputsCarbon dioxide · Water · Light energy

OutputsGlucose or other sugars · Oxygen

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

Generate the full set

Starts from your material

Upload a PDF, DOCX, PPTX, plain text notes, or a photo of a page. The map is built from what your source actually says.

Editable and explorable

Move branches, add sub-points, and collapse sections as you study, so the map stays useful as your understanding grows.

Turns maps into practice

Use the same material to generate flashcards with spaced repetition or quizzes with explanations, all from one upload.

How it works

Upload your source

Add the lecture PDF, slide deck, or notes you want to map. No credit card is needed to start.

Review the main branches

Check the central idea and the top-level branches, then rename or merge any that don't match your course.

Study and refine

Expand branches to explore sub-points, and edit anything that needs correcting before you test yourself.

If your notes are already long, starting from the source material saves time. Upload the text or PDF and the mind map is drafted from the ideas in it, so you spend your effort checking relationships instead of placing every box. You can still lay the map out however you like afterward.

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Frequently asked questions

How do I start a concept map for photosynthesis?

Put photosynthesis in the center, then add main branches for inputs, the light-dependent reactions, the Calvin cycle, and outputs. Add sub-points only after the main branches are clear.

How many branches should a concept map have?

Most topics read well with four to seven main branches. If you need more, group related ideas under a shared parent branch so the map stays easy to scan.

Can I edit a mind map after DeckOwl creates it?

Yes. Mind maps are editable and explorable, so you can rename branches, add or remove sub-points, and reorganize the structure.

Do I need a paid plan to export my mind map?

Export is a paid feature. The Plus plan, at $39 per year or $7.99 per month, includes PDF and DOCX export, while the free plan lets you study in the browser.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.