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Turn any PDF into a concept map with AI

Upload lecture slides, a textbook chapter, or typed notes. DeckOwl builds a mind map of the main ideas and subtopics that you can rearrange, expand, and explore.

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

Why a generated map beats a blank page

A 40-page biology chapter or a dense lecture deck can hide the way ideas connect. An AI concept map generator from PDF reads the document, picks out the central concept, and sorts the supporting ideas into branches so you can see the structure before you memorize the details.

  • Start from a PDF, DOCX, PPTX, notes, or a photo of a page
  • Edit node labels and move branches to fit your course outline
  • Collapse or expand sections to study one topic at a time
  • Keep the map in the browser on the free plan, with exports on paid plans
Example Spanish present-tense verb concept map branches
Regular -ar verbsDrop -ar and add -o, -as, -a, -amos, -áis, -an · hablar: hablo, hablas, habla · The stem stays unchanged
Regular -er verbsDrop -er and add -o, -es, -e, -emos, -éis, -en · comer: como, comes, come · Keep the stem intact
Regular -ir verbsDrop -ir and add -o, -es, -e, -imos, -ís, -en · vivir: vivo, vives, vive · Matches -er except nosotros and vosotros
Stem-changing e to ie verbsThe stem vowel changes in all forms except nosotros and vosotros · pensar: pienso, piensas, piensa · Found in -ar and -er verbs
Yo-form irregularshacer: hago · poner: pongo · salir: salgo
Generate the full set

Reads your own files

Upload a PDF, DOCX, PPTX, plain text, or a photo of a page, and the map is built from your material rather than generic content.

Editable branches

Rename nodes, move branches, and add your own links so the map matches how your course organizes the topic.

Explore at your pace

Open or collapse branches to move from the big picture down to supporting details without losing your place.

How it works

Upload your material

Add a PDF or paste your notes. No credit card is needed to start.

Review the generated map

Check the central idea and main branches, then adjust anything that does not match your lecture.

Study by exploring

Click through the branches, test yourself on the sub-points, and revisit the map before an exam.

Because the map is built from your own file, the terms and relationships come from your course rather than a generic template. You can edit any node, reorder branches, and expand only the parts you are not yet sure about.

Maps work best as a study tool when you return to them. Use the branches as prompts: explain each one from memory, then check the map to see what you missed.

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Free AI Mind Map Generator from PDF

Turn a PDF into an editable mind map. Free plan includes 3 generations a month.

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Turn a PDF into an editable mind map you can explore and expand.

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Sample AI Concept Map for Photosynthesis

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Frequently asked questions

How do I turn a long chapter into a useful concept map?

Start by identifying the main idea of the chapter and make it the central node. Then group the remaining headings into three to six main branches, and keep each sub-point short enough to explain from memory.

How should I study Spanish present-tense verbs with a map?

Build one branch for each verb pattern, such as regular -ar endings and stem changes, and test yourself by conjugating the sub-points aloud. Revisit the branches the next day to see which endings you still mix up.

Can I edit the mind map after it is generated?

Yes, you can rename nodes, move branches, and add your own material to the map. Edits are saved so you can keep refining the structure as your course progresses.

Can I export my concept map?

Exporting is a paid feature, and the Plus plan at $39/year or $7.99/month includes PDF and DOCX export. The free plan lets you study maps in the browser with 3 generations per month.

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