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Turn any PDF or set of notes into a mind map on your Mac

Upload a lecture PDF, a DOCX handout, or a photo of your notes. DeckOwl builds an editable mind map you can reshape and explore branch by branch, right from your Mac's 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 tool works well on a Mac

Most people searching for a mind map app for macOS want to start sketching ideas without a long install or a clunky interface. DeckOwl runs in your Mac's browser, so you can upload lecture slides or a scanned chapter and get a branching map in a few minutes.

Works from PDF, DOCX, PPTX, plain text, and photos of pages
Editable nodes so the map reflects your own course structure
Explorable branches that keep large topics manageable
Free plan includes 3 generations per month, studied in the browser

Example macOS study mind map branches

Keyboard shortcutsCommand-C copies · Command-V pastes · Command-Q quits the app · Command-Space opens Spotlight

macOS foundationsBuilt on the open-source Darwin base · XNU kernel combines Mach and BSD · Terminal opens a Unix shell

Finder basicsTags organize files by color · Quick Look previews files with the spacebar · Smart Folders save searches

GatekeeperChecks app signatures · Blocks software from unidentified developers by default · Exceptions set in Privacy & Security

Time MachineBacks up to an external drive or network share · Hourly backups for the past 24 hours · Daily for the past month · Weekly before that

Generate the full set

Editable branches

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

Explorable structure

Open each main branch to see its supporting points, then step back out to the big picture.

Built from your material

The map comes from your own PDFs, notes, slides, or photos, so it reflects what your instructor actually covered.

How it works

Upload your material

Add a PDF, DOCX, PPTX, plain text file, or a photo of your pages.

Generate the map

DeckOwl reads the content and proposes main branches with sub-points underneath.

Edit and study

Adjust the layout, then turn the same material into flashcards or a quiz for review.

Because the map is editable, you can cut weak branches, merge overlapping topics, and rename nodes until they match your course vocabulary. Each branch can be explored on its own, which makes large subjects easier to review in pieces.

When the map is set, you can use the same source material to create flashcards with spaced repetition or a quiz with explanations, so the mind map becomes one part of a full study routine.

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Free mind map app for notes and PDFs

Turn PDFs and notes into an editable mind map. Start free, 3 generations a month.

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Turn lecture notes and PDFs into an editable mind map, free to start, with no credit card needed.

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Frequently asked questions

How should I organize a macOS study mind map?

Start with the main areas, such as Finder, system settings, and keyboard shortcuts, then add specific facts under each one. Keep each branch to a few sub-points so the map stays easy to scan.

Which macOS topics work well as mind map branches?

Good branches cover distinct areas like file management, security features like Gatekeeper, backups with Time Machine, and terminal basics. Grouping by task makes the relationships easier to remember.

Do I need to install anything on my Mac to use DeckOwl?

No. DeckOwl runs in your browser, so you can create and study mind maps without installing a separate macOS app.

Can I export my mind map?

Export options such as PDF and DOCX are part of the Plus plan at $39 per year or $7.99 per 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.