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Turn your notes into a free mind map in one upload

Paste in lecture notes, a textbook chapter, or a slide deck and DeckOwl builds a mind map you can edit, expand, and 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 free mind map helps you study from notes

Long lecture notes are hard to scan, so a free mind map from your notes shows how the ideas connect at a glance. Seeing the central concept with its main branches makes it easier to spot what you understand and what still needs work.

Turns dense notes into a visual structure you can scan in seconds
Lets you edit branches so the map matches your course, not a generic outline
Works with PDFs, slides, plain text, and photos of pages
Keeps the free plan usable with 3 generations a month and no card required

Example mind map branches: Newton's laws of motion

First law (inertia)Object stays at rest or constant velocity · Holds unless a net external force acts · Inertia depends on mass

Second lawF = ma · Net force causes acceleration · Acceleration points in the direction of the net force

Third lawForces come in equal and opposite pairs · The two forces act on different objects · Rocket pushes exhaust backward, exhaust pushes rocket forward

Weight and normal forceWeight is mg, acting downward · Normal force acts perpendicular to the surface · Apparent weight changes in an accelerating elevator

Limits of Newton's lawsValid in inertial reference frames · Breaks down near the speed of light · Quantum-scale behavior needs other theories

Generate the full set

Works from your own material

Upload a PDF, DOCX, PPTX, plain text, or a photo of a page, and the mind map is built from what you actually wrote or were assigned.

Editable and explorable

Rename branches, move ideas, and open sub-points as you go, so the map grows with your understanding instead of staying fixed.

Study in the browser

The free plan includes 3 generations each month and lets you study the map right in the browser, with no install and no download step.

How it works

Upload your notes

Add a PDF, a document, a slide deck, or a photo of handwritten pages. Text recognition reads images too.

Generate the map

DeckOwl picks a central topic and organizes the main ideas into branches with supporting sub-points.

Explore and edit

Click through branches, reshape the layout, and remove anything that does not belong before you study from it.

Start by uploading the material you already have, then check the branches against your notes and edit anything that is off. Keeping each sub-point short makes the map easier to review before an exam.

The free plan gives you 3 generations per month, which is enough to map a chapter or two each week. When you need more, paid plans add unlimited generations and exports.

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Frequently asked questions

Is it really free to make a mind map from my notes?

Yes, the free plan includes 3 generations per month and no credit card is needed to start. You can study the map in the browser on that plan.

How do I make a good study mind map from lecture notes?

Put the core topic in the center and give each major idea its own branch. Keep sub-points to a few words each so the map stays readable when you review it.

How many branches should a study mind map have?

Five to seven main branches usually works well for one lecture or section. If you need more, split the material into two maps so each one stays easy to scan.

Can I export my mind map?

Exports are a paid feature, so the free plan lets you study in the browser but not download the map. Plus adds PDF, DOCX, Anki, and CSV export.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.