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Turn your lecture notes into a free concept map

Upload a PDF, DOCX, slide deck, or photo of your notes and get an editable mind map you can explore branch by branch. The free plan includes three generations a month.

Create mind maps nowFree · No credit card required

Free · First set needs no signup · Creates mind maps in seconds

How concept mapping helps students connect ideas

Concept maps show how ideas link together, which is why many students look for free concept mapping software for students before a midterm or final. Seeing a topic as a web of related terms makes it easier to remember how one idea depends on another.

  • Start with the main topic from your syllabus and let the map show the subtopics
  • Label each link with a short phrase so the relationship is clear, not just the connection
  • Redraw one branch from memory after studying to check what you retained
  • Compare your map with the source notes and add anything the tool missed
Example concept map branches for biology and history students
Cell respirationGlycolysis · Krebs cycle · Electron transport chain
Causes of World War IAlliance system · Militarism · Imperial rivalries · Nationalism
Supply and demandPrice signals · Shifts in demand · Shifts in supply · Market equilibrium
Functions of the nervous systemSensory input · Integration · Motor output
Parts of a concept mapConcept nodes · Linking phrases · Cross-links · Hierarchy levels
Generate the full set

Built from your own material

Upload PDFs, DOCX or PPTX files, plain text notes, or photos of pages. Text recognition reads the images so your map reflects your course, not generic content.

Editable and explorable

Move branches, rename nodes, and expand or collapse sections to see how ideas connect. The map stays yours to reshape as your understanding grows.

Study from the same material

Turn the same notes into flashcards with spaced repetition or quizzes with explanations. A concept map can be the starting point for the rest of your review.

How it works

Upload your notes

Add a PDF, a Word file, a slide deck, or a photo of handwritten pages. No credit card is needed to start.

Generate the mind map

DeckOwl reads the material and builds a branching map of the main concepts and how they relate.

Explore and edit

Expand the branches, fix anything that looks off, and study the map in your browser.

DeckOwl builds the map from the material you already have. Upload a lecture PDF, a chapter, or photos of your notes, and the tool pulls out the main concepts and arranges them into branches. You can rename nodes, move them around, and collapse sections you already know, so the map shows what you still need to learn.

The free plan lets you create three generations a month and study the results in the browser. Exporting to PDF, DOCX, or Anki is available on the Plus plan, and students with a school email get 40 percent off.

Explore related topics

Frequently asked questions

How do I make a good concept map for an exam?

Start with one central concept from the lecture, add the main ideas that connect to it, and label each link with a verb or short phrase. Keep the top level to a handful of ideas so the structure stays readable.

What belongs in a concept map for a biology course?

Focus on processes, structures, and the relationships between them, such as how cell respiration stages feed into one another. Avoid copying long definitions into nodes; keep each node to a term or short phrase.

Is the free plan enough to study with?

The free plan includes three generations a month and lets you study in the browser. You cannot export the results, so upgrade to Plus if you need PDF, DOCX, or Anki files.

Can I edit the mind map after it is generated?

Yes. You can rename nodes, move branches, and expand or collapse sections. Edits stay in the map, so you can refine it as you learn more.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.