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Create an AI mind map from your PDFs and notes in one step

Upload a lecture PDF, a Word file, slides, or typed notes. DeckOwl builds a mind map you can edit, expand, and explore branch by branch.

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Free · First set needs no signup · Creates mind maps in seconds

Why a mind map helps when you study from notes

If you want a MyMap-style AI mind map generator, the useful part is seeing how a long set of notes fits together before you memorize any details. DeckOwl turns your PDFs or notes into a map with a central topic, main branches, and sub-points you can rearrange.

  • Start from a lecture PDF, slides, or a photo of a textbook page.
  • Keep the map editable so you can fix wording and reorganize branches.
  • Collapse branches you already know and expand the ones you find confusing.
  • Pair the map with flashcards or quizzes once the structure makes sense.
Example mind map branches for biology study notes
Cell respirationGlycolysis · Krebs cycle · Electron transport chain
Cell membranePhospholipid bilayer · Embedded proteins · Selective permeability
PhotosynthesisLight-dependent reactions · Calvin cycle · Chloroplast structure
MitosisProphase · Metaphase · Anaphase · Telophase
DNA replicationHelicase unwinds the helix · DNA polymerase adds nucleotides · Leading and lagging strands
Generate the full set

Editable branches

Rename, move, or delete any node so the map matches how your course organizes the material.

Explorable structure

Collapse and expand branches to focus on one topic at a time instead of scanning a wall of text.

Built from your material

Maps come from your own PDFs, slides, photos of pages, or notes, so the structure reflects your readings.

How it works

Upload your source

Add a PDF, DOCX, PPTX, plain text file, or a photo of a page.

Generate the map

DeckOwl reads the material and groups key ideas into main branches and sub-points.

Edit and explore

Adjust the branches, then expand each one while you study or review before a test.

Because the map is editable, you can correct anything the AI misread and add your own connections from lecture. Exploring it branch by branch works well for a first pass through a chapter, and the same map can guide which flashcards or quiz questions to review next.

Explore related topics

Frequently asked questions

How do mind maps help with studying biology?

A mind map shows how processes such as cell respiration connect to their stages and inputs, which makes it easier to recall the sequence. Building or reviewing the map also shows gaps where your notes skip a step.

How many main branches should a study mind map have?

Most chapter-level maps work well with 4 to 7 main branches, each covering one concept or process. If a branch has more than about six sub-points, split it into two narrower branches.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, and you do not need a credit card to start. Exports are included in the paid Plus and Pro plans.

Can I edit the mind map after DeckOwl creates it?

Yes. You can rename, move, add, or remove nodes so the map matches your course material.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.