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Turn notes and page photos into a visual mind map with AI

Upload a PDF, slides, typed notes, or a phone photo of a textbook page. DeckOwl builds a mind map you can edit, rearrange, and explore one branch at a time.

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

How a visual mind map helps you study

Students who sketch out a chapter often remember the relationships between ideas better than a list of terms. A mind map maker turns your own lecture slides or notes into that kind of visual, so the main topic sits in the center and each subtopic branches from it.

Start from your own PDFs, slides, notes, or page photos, not a generic template.
Use the central node for the chapter topic and keep branches to clear subtopics.
Edit anything the map gets wrong before you study from it.
Switch to flashcards or a quiz on the same material when you want active recall.

Example cell biology mind map branches

Energy-producing organellesMitochondria produce most ATP through cellular respiration · Chloroplasts in plant cells capture light energy for photosynthesis

Membrane transportPassive diffusion needs no energy input · Osmosis moves water across a selectively permeable membrane · Active transport uses ATP to move molecules against a concentration gradient

Cell divisionMitosis produces two genetically identical daughter cells · Meiosis produces four genetically varied gametes with half the chromosome number

Protein synthesisTranscription copies DNA into mRNA in the nucleus · Translation assembles a polypeptide at the ribosome using the mRNA sequence

Cell membrane structurePhospholipid bilayer with hydrophilic heads and hydrophobic tails · Embedded proteins act as channels and receptors · Cholesterol helps keep membrane fluidity steady

Generate the full set

Photos of pages work

Snap a textbook page or handout and the text is read with text recognition, so you do not have to retype anything before mapping it.

Editable branches

Rename, move, or delete nodes so the map matches how your course organizes the material, not just how the source happened to be written.

Explore at your own pace

Open a branch, drill into its sub-points, and collapse what you already know. The map stays with your material so you can come back to it.

How it works

Add your material

Upload a PDF, DOCX, PPTX, plain text notes, or images of pages.

Generate the map

DeckOwl pulls out the main topics and supporting points and arranges them as a mind map.

Edit and explore

Adjust the branches, then click through them to study each idea in context.

The map is only as useful as its structure, so start with the big idea and let the branches carry the detail. Keep each branch to a few sub-points and move anything that belongs elsewhere. Editing the map is part of the learning, because you have to decide what connects to what.

If your source is a set of photographed pages, check the recognized text against the original before you rely on the map, especially for formulas, labels, and diagrams that are described rather than drawn.

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Frequently asked questions

How do I organize cell biology notes into a mind map?

Put cell structure or the chapter title in the center, then create branches for organelles, membrane transport, and division. Keep sub-points short, such as one function per organelle, so each branch is easy to scan.

Should a mind map include every detail from a chapter?

No, a mind map works best as a summary of relationships. Save the exact definitions and numbers for flashcards or a quiz, and use the map to see how the topics connect.

Can I use a photo of a textbook page?

Yes, photos of pages are read with text recognition, and you can check and edit the recognized text before studying. Exporting files such as PDF or DOCX is part of the Plus plan, while the free plan includes 3 generations per month and browser study.

Is there a student discount?

Students get 40% off with a school email. No credit card is needed to start on the free plan.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.