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Turn your notes into an AI mind map you can edit

DeckOwl reads your lecture slides, PDFs and typed notes, then builds a mind map with a central topic, branches and sub-points you can rearrange.

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 an AI mind map helps you study

Mind maps work because they show how ideas connect instead of the order a lecture happened to cover them. DeckOwl reads your PDF, DOCX, PPTX or notes and builds an AI-generated mind map with a central topic, labeled branches and supporting points you can rearrange.

Start from your own lecture slides or readings, not a generic template.
Trim or expand branches so the map fits the exam you are preparing for.
Explore one section at a time to avoid overwhelming yourself with the full map.
Turn key branches into flashcards or quiz questions once the structure is clear.

Example biology mind map branches (general study topic)

Cell structureNucleus · Mitochondria · Cell membrane

PhotosynthesisLight reactions · Calvin cycle · Chloroplast

Cellular respirationGlycolysis · Krebs cycle · Electron transport chain

GeneticsDNA replication · Transcription · Translation

EcosystemsProducers · Consumers · Decomposers · Energy flow

Generate the full set

Reads your own material

Upload PDF, DOCX, PPTX, plain text or photos of pages. Text recognition picks up the content so the map reflects your course.

Editable branches

Rename, move, or delete any branch. Keep the parts you need and remove the rest before you study.

Explore at your pace

Expand or collapse sections to focus on one area at a time, then turn the same material into flashcards or quizzes.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file or photo of a page. No credit card is needed to start.

Let the AI build the map

DeckOwl identifies the main topic and organizes supporting ideas into branches and sub-points.

Edit and explore

Adjust the layout, rename branches, and expand sections until the map matches how you understand the material.

The map is a starting point, not a final answer. Edit branches so they match your course outline, merge overlapping ideas, and add your own notes where the source material was thin. Many students find that rebuilding the structure themselves is the study step that sticks.

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Sample AI Concept Map for Photosynthesis

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

Frequently asked questions

How do I build a mind map from lecture notes?

Start with one central idea, then list the main subtopics as first-level branches. Add supporting facts or examples as smaller branches underneath, and keep the labels short.

How many main branches should a study mind map have?

Most useful maps have about four to seven main branches. If you have more, group related topics under a shared parent branch so the map stays readable.

Can I export my mind map?

Export options such as PDF and DOCX are part of the paid Plus plan at $39/year or $7.99/month. The free plan lets you explore and study your maps in the browser.

Do I need a credit card to try it?

No. You can start on the free plan with 3 generations per month and no credit card. Students with a school email get 40% off paid plans.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.