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Map out your notes with free online mind mapping software

Upload a PDF, DOCX, slide deck, or photo of a page and get an editable mind map you can explore branch by branch.

Create mind maps nowFree · No credit card required

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

How free online mind mapping works for study notes

Students who study from long lecture notes often find that free online mind mapping software is most useful when it starts from their own material rather than a blank page. Upload a PDF, a DOCX file, a slide deck, or a photo of a textbook page, and the tool reads the text and proposes a central topic with main branches and sub-points.

  • Works in the browser with no download required
  • Accepts PDFs, DOCX, PPTX, plain text, and photos of pages
  • Lets you edit nodes and reorganize branches after generation
  • Free plan includes 3 generations per month with no credit card
Example cell biology mind map branches
Cell membranePhospholipid bilayer · Selective permeability · Embedded transport proteins
NucleusHolds DNA · Controls gene expression · Surrounded by a nuclear envelope
MitochondriaSite of cellular respiration · Produces ATP · Contains its own DNA
Endoplasmic reticulumRough ER makes proteins · Smooth ER makes lipids · Helps detoxify chemicals
Cell wallFound in plants, fungi, and bacteria · Provides rigidity · Absent in animal cells
Generate the full set

Starts from your material

Upload PDFs, Word files, PowerPoint decks, plain notes, or photos of pages. Text in photos is read with text recognition.

Editable and explorable

Rearrange branches, rename nodes, and collapse sections to focus on one topic at a time.

Study from the same map

Turn the same material into flashcards or quizzes when you are ready to practice recall.

How it works

Upload your notes

Add a file or paste text. No credit card is needed to start.

Generate the map

DeckOwl proposes a central topic with main branches and sub-points drawn from your content.

Edit and explore

Adjust the layout, add your own nodes, and click through branches as you review.

A good study map groups related ideas under a few clear branches instead of listing every sentence from the source. Editing the generated map lets you move weak connections, delete details you already know, and add your own examples, so the final version reflects how you think about the topic.

The free plan includes 3 generations per month and studying in the browser. If you want to keep maps for longer or export them, the Plus plan includes unlimited generations and PDF, DOCX, Anki, and CSV export.

Explore related topics

Frequently asked questions

How many main branches should a study mind map have?

Most study maps work well with 4 to 7 main branches, each covering one subtopic. If a branch needs more than about six sub-points, split it into two maps so each one stays readable.

How do I study from a mind map instead of just making one?

Cover the branch labels and try to recall each sub-point out loud before checking. Then redraw the map from memory a day later to see which links you lost.

Is the free plan really free?

Yes, the free plan includes 3 generations per month and studying in the browser. Exports such as PDF, DOCX, Anki, and CSV are part of the Plus plan at $99.90/year or $9.99/month.

Can I edit the map after it is generated?

Yes, the map is editable and you can explore it branch by branch. Students get 40% off Plus with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.