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Turn your class notes into a free, explorable mind map

Upload a PDF, DOCX, slide deck, or a photo of handwritten pages, and DeckOwl builds an editable mind map you can explore branch by branch.

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 mind map changes the way you take notes

Lecture notes rarely arrive in the order you will need them at exam time, and a linear page hides how ideas connect. A free mind map for note taking lets you see the central topic, the main branches, and the details hanging off each one at a glance.

Start from any PDF, DOCX, PPTX, plain text file, or photo of a page.
Explore the map branch by branch instead of scrolling a long document.
Edit nodes freely so the map reflects your own course structure.
Use the free plan to try it with 3 generations per month.

Example note taking methods shown as mind map branches

Cornell methodCue column · Main notes area · Summary at the bottom

Outline methodHeadings for main topics · Indented subpoints · Consistent numbering

Mapping methodCentral topic · Main branches · Keywords and simple images

Charting methodTwo columns for topic and detail · Works best with clearly structured lectures

Sentence methodDate and topic at the top · One numbered idea per line · Short sentences in your own words

Generate the full set

Editable branches

Rename, move, or delete any node so the map matches how your course is organized.

Works from messy sources

Start from typed notes, lecture slides, a textbook PDF, or a photo of a page that text recognition can read.

Free to start

The free plan includes 3 generations per month and studying in the browser, with no credit card required.

How it works

Add your notes

Upload a file or paste your notes into DeckOwl.

Generate the map

DeckOwl sorts the material into a central topic, main branches, and supporting points.

Explore and revise

Open branches to review details, edit anything that looks off, and turn the map into a study tool.

Mind maps work well as a review layer on top of notes you already have. Upload your slides or a chapter, then use the map to check which branches are thin and fill them in before the next class.

DeckOwl is built for this workflow: the map stays editable, so you can correct a branch or add a new one as your understanding changes.

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See a photosynthesis concept map sample, then build one from your own notes or PDFs.

Frequently asked questions

What is the best way to take notes as a mind map?

Put the main topic in the center, then add one branch for each major idea and keep sub-points short. Revise the map after each class so new details attach to the right branch.

Are mind maps better than linear notes for studying?

They suit subjects with many connected ideas, because the links between branches are visible. Linear notes are still useful for steps in a procedure or a sequence of events, so many students use both.

Is DeckOwl free to use for mind maps?

The free plan includes 3 generations per month and studying in the browser. Exports to PDF, DOCX, Anki, and CSV are available on the Plus plan at $39/year or $7.99/month.

Can I export my mind map or flashcards?

Exports are a paid feature. Plus includes PDF, DOCX, Anki, and CSV export, and Pro adds QTI 2.1 and Moodle XML export.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.