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Turn your notes into a mind map on any PC, no download needed

Upload a PDF, DOCX, slides, typed notes, or a photo of a page. DeckOwl builds an editable, explorable mind map you can open in your PC browser.

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

Why a browser-based mind map app works on a PC

A mind map app for PC is most useful when it starts from the notes you already have, not a blank canvas. DeckOwl opens in your browser, so you can work from a laptop or desktop without installing an installer or updating software.

No download or installer: open the tool in your PC browser and start.
Works with PDFs, Word and PowerPoint files, plain notes, and photos of pages.
Maps stay editable, so you can reshape them as your understanding grows.
Start free with no credit card, then upgrade if you need unlimited generations.

Example biology mind map branches for students

MitochondriaSite of cellular respiration · Produces most of the cell's ATP · Contains its own circular DNA

PhotosynthesisLight-dependent reactions · Calvin cycle · Takes place in chloroplasts

Causes of World War IMilitarism · Alliances · Imperialism · Nationalism

Newton's laws of motionFirst law: inertia · Second law: F = ma · Third law: action and reaction

Human digestive systemMouth · Stomach · Small intestine · Large intestine

Generate the full set

Editable branches

Rename, move, or delete any branch so the map matches how your class organizes the topic.

Explore by level

Expand main topics to see sub-points, then collapse them to review the big picture.

Built from your material

Maps come from your own files and notes, so the structure reflects your course rather than generic content.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text file, or a photo of a page from your browser.

Generate the map

DeckOwl reads the text and organizes the main ideas into branches and sub-points.

Edit and study

Adjust the map, then use it to quiz yourself or turn key terms into flashcards.

Mind maps help when a topic has many connected parts, such as a chapter with causes, effects, and examples. Seeing the branches side by side makes it easier to spot gaps in your notes before an exam.

The free plan includes 3 generations per month and browser study. Paid plans add unlimited generations and exports for PDF, DOCX, Anki, and CSV.

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Frequently asked questions

How do I study from a mind map?

Cover the sub-points of each branch and try to recall them from the main topic. Then check your answers against the map and rebuild any branch you missed.

How many branches should a study mind map have?

Most chapters work well with 4 to 7 main branches, each with 2 to 4 sub-points. If a branch grows much larger, split it into two maps.

Do I need to download anything to use DeckOwl on my PC?

No. DeckOwl runs in your web browser, so there is no installer to download. You can sign up and start with the free plan without a credit card.

Which plan includes exports?

Exports such as PDF, DOCX, Anki, and CSV are included in the Plus plan, which costs $39/year or $7.99/month. The free plan lets you study in the browser without exports.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.