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Turn your PDF or notes into a free mind map online

Upload lecture slides, a chapter PDF, or class notes and get an editable mind map you can expand branch by branch. No credit card is needed to start.

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 generated map beats a generic template

Most people who want a free mind map online already have the material they need: lecture slides, a textbook chapter, or messy notes from class. Generating the map from that source means every branch reflects what your course actually covers, not a stock layout.

Start from your own lecture slides, chapter PDFs, or notes instead of a blank template
Keep main branches to a handful of ideas so the map stays easy to scan
Edit the structure as you learn, adding detail where your understanding is weakest
Pair the map with flashcards or a quiz when you are ready to test recall

Example biology mind map: photosynthesis

Light-dependent reactionsOccur in thylakoid membranes · Split water and release oxygen · Produce ATP and NADPH

Calvin cycleOccurs in the stroma · Fixes carbon dioxide using RuBisCO · Uses ATP and NADPH to build sugar

InputsCarbon dioxide · Water · Light energy

OutputsGlucose for energy and storage · Oxygen released to the air · Starch stored in plant tissue

Factors that limit the rateLight intensity · Carbon dioxide concentration · Temperature

Generate the full set

Works from your own material

Upload PDF, DOCX, PPTX, plain text, or a photo of a page. Photos are read with text recognition, so handwritten-free printed pages work well.

Editable and explorable

Expand or collapse branches, rearrange ideas, and fix anything the AI placed in the wrong spot so the map matches how your course is organized.

Study in the browser

The free plan includes 3 generations per month and browser study. Plus and Pro add unlimited generations and export options.

How it works

Add your source

Upload a PDF, slide deck, document, or paste your notes into the box.

Generate the map

DeckOwl pulls the main topics and builds a branched map from the material you provided.

Edit and study

Reorganize branches, add your own points, and explore the map to see how the ideas connect.

DeckOwl reads PDF, DOCX, PPTX, plain text, and photos of pages, then builds an editable mind map you can expand and reorganize. The free plan gives you 3 generations per month with study in the browser, and exports are part of the paid Plus and Pro plans.

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Free Mind Map Maker From Your Notes

Make an editable mind map from PDFs or notes on the free plan.

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Upload notes or a PDF and get an editable, explorable mind map. Free plan available.

Free mind map generator for study notes

Turn PDFs and notes into an editable mind map, with a free plan to start.

Free AI Mind Map Maker from Your Notes

Turn PDFs or notes into an editable AI mind map. Free to start, no credit card needed.

Free mind map software for study notes

Turn notes or a PDF into an editable, explorable mind map. Start free with no credit card.

Frequently asked questions

How do I make a mind map that actually helps me study?

Start with one central topic, add 5 to 8 main branches for the major ideas, and keep each sub-point to a short phrase. Then close the map and try to redraw it from memory to find the gaps.

How many branches should a study mind map have?

Most useful maps have 5 to 8 main branches, with 2 to 4 sub-points under each. If a branch grows much larger, split it into two related branches so the map stays readable.

Do I need a credit card to try DeckOwl?

No. You can start without a credit card and use the free plan, which includes 3 generations per month and study in the browser.

What do the paid plans add for mind maps and study tools?

Plus costs $39 per year or $7.99 per month and adds unlimited generations, PDF, DOCX, Anki, and CSV export, and spaced repetition. Pro at $14.99 per month adds a stronger AI model, bulk upload, and QTI 2.1 and Moodle XML export.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.