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Edit a mind map online, starting from your own notes

Upload a PDF, DOCX, slide deck, or photo of a page. DeckOwl builds an editable mind map you can reshape in your browser.

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

Why editing matters more than generating

A first mind map is rarely the one you want to study from, which is why the ability to edit mind maps online matters more than the initial draft. Lecture slides often group ideas by date while your exam groups them by concept.

  • Upload notes, slides, or a PDF as the starting point
  • Reshape branches so they follow your course structure
  • Explore sub-points to check how ideas connect
  • Study in the browser on the free plan, with no exports
Example cell biology mind map branches
Cell organellesNucleus · Mitochondria · Ribosomes · Endoplasmic reticulum
PhotosynthesisLight-dependent reactions · Calvin cycle · Chloroplast structure · Gas exchange through stomata
Cell membrane transportPassive diffusion · Osmosis · Facilitated diffusion · Active transport
Phases of mitosisProphase · Metaphase · Anaphase · Telophase
Krebs cycleAcetyl-CoA entry · Citric acid formation · NADH and FADH2 production · Oxaloacetate regeneration
Generate the full set

Editable branches

Rename, reorder, and reorganize the topics DeckOwl pulls from your material so the map matches how your course is organized.

Explorable structure

Move through main branches and sub-points to see how ideas connect before you start studying them.

Starts from your material

Work from your own lecture notes, readings, or slides rather than a generic template.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text notes, or a photo of a page. Text recognition reads images.

Get a draft mind map

DeckOwl organizes the content into a map with main branches and sub-points.

Edit it in your browser

Change branches and wording until the map fits your notes, then study from it.

Start by checking the main branches against your syllabus, then merge or split sub-points so each branch answers one question. Keep the number of branches small enough to scan at a glance, and add detail only where your notes are thin.

Explore related topics

Frequently asked questions

How do I organize a biology unit into a mind map?

Start with the big concepts from your syllabus as main branches, such as cell structure or metabolism. Then place specific terms and processes under each branch as sub-points.

How many branches should a study mind map have?

Most useful maps have between four and seven main branches. If a branch needs more than four or five sub-points, consider splitting it into two branches.

Can I export my edited mind map?

Exports are a paid feature. The free plan lets you study in the browser without exports, while Plus adds PDF and DOCX exports.

Do I need a credit card to try it?

No. You can start without a credit card, and the free plan includes 3 generations per month.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.