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Make a concept map from your notes without drawing it by hand

Skip the blank page. DeckOwl reads your PDF, DOCX, PPTX, notes, or photos of pages and builds a mind map you can rearrange, expand, and quiz yourself on.

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 hand-drawn concept maps help, and when to skip the sketching

Sketching out a chapter as a hand-drawn concept map shows how ideas connect, but redrawing the whole thing before every exam takes time you could spend recalling it.

Starts from your actual notes, not a generic template
Editable branches so you can correct or reorder the structure
Explore the map in the browser on the free plan
Paid plans add exports and unlimited generations for heavier study loads

Example cell biology concept map branches

Cell membranePhospholipid bilayer · Selective permeability · Embedded proteins

MitochondriaSite of cellular respiration · Produces ATP · Has its own DNA

NucleusHolds chromosomes · Surrounded by nuclear envelope · Controls gene expression

Endoplasmic reticulumRough ER makes proteins · Smooth ER makes lipids · Detoxifies drugs in liver cells

Passive transportDiffusion · Osmosis · Facilitated diffusion, no energy used

Generate the full set

Built from your own material

Upload a lecture PDF, slides, typed notes, or a photo of a textbook page. The text is read and organized into main branches and sub-points.

Editable and explorable

Move nodes, rename branches, and click through the map to see how each idea connects. It is a working study map, not a static picture.

Study from the map

Turn the same material into flashcards with spaced repetition or a quiz with explanations, so the map is only the first step.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, plain text file, or a photo of pages. No credit card is needed to start.

Review the mind map

Check the main branches, rename anything unclear, and drag ideas into the order that makes sense to you.

Study and test yourself

Explore the branches in the browser, then generate flashcards or a quiz from the same material.

DeckOwl does not draw by hand. It produces an editable mind map from your own material, so the structure of your lecture or textbook chapter becomes the starting point. Free accounts get 3 generations per month and can study in the browser.

A good way to use the output is to close the map after exploring it and redraw the main branches from memory on paper. That keeps the active recall benefit of drawing while the software handles the outline.

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Frequently asked questions

How do I check a concept map for missing links?

Read each main branch and ask whether you can explain how its sub-points relate to the parent idea without looking. Any link you cannot state is a good target for a quick review or a flashcard.

How many main branches should a concept map have?

Most chapter-level maps work well with 4 to 7 main branches, each with 2 to 4 sub-points. If a branch needs more, split it into its own map so each one stays readable.

Can I export my mind map?

Exports are a paid feature. Plus includes PDF and DOCX export along with Anki and CSV export for flashcards, and the free plan lets you study in the browser.

Do I need a credit card to try DeckOwl?

No. You can start on the free plan with 3 generations per month, and students with a school email get 40 percent off a paid plan.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.