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Convert a PDF file to a mind map you can edit and explore

Drop in a lecture PDF, textbook chapter, or your own notes. DeckOwl reads the text and builds a mind map with main topics and subtopics you can rearrange, expand, and study from.

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 account · 3 sets a month · Creates mind maps in seconds

How a PDF becomes a mind map

Long PDFs are hard to hold in your head, so it helps to convert a PDF file to a mind map that shows the structure at a glance. A mind map places the central topic in the middle and hangs its subtopics off it as branches, so you can see how a chapter's sections relate to each other.

Works with PDF, DOCX, PPTX, plain text, and photos of pages
Every branch can be renamed, moved, or removed after generation
Expand or collapse sections to review one topic at a time
Turn the same source into flashcards or quizzes when you are ready

Example cell biology mind map branches

NucleusNuclear envelope · Chromatin · Nucleolus

MitochondriaDouble membrane · Cristae · Site of ATP production in cellular respiration

Endoplasmic reticulumRough ER with ribosomes · Smooth ER · Lipid synthesis

Cell membranePhospholipid bilayer · Embedded proteins · Selective permeability

Golgi apparatusModifies proteins · Sorts and packages molecules · Ships them to the membrane or for secretion

Generate the full set

Reads your PDF

PDF, DOCX, PPTX, plain text, and photos of pages are all accepted. Scanned pages are read with text recognition.

Editable branches

Rename, move, or delete any branch after generation so the map matches how your course organizes the material.

Explore at your pace

Expand and collapse branches to focus on one section at a time, then turn the same material into flashcards or a quiz.

How it works

Upload your file

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

Generate the map

DeckOwl pulls out the main ideas and arranges them into a branching mind map.

Edit and study

Adjust the branches, explore the connections, and export to PDF or DOCX on a paid plan.

DeckOwl reads the text in your file, identifies the headings and key terms, and groups them into branches. Because the map is editable, you can fix anything the tool misread, merge overlapping branches, or add your own links before you start studying.

Free accounts get 3 generations per month and can study in the browser. Plus adds unlimited generations and PDF and DOCX export, and Pro adds a stronger AI model and bulk upload.

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Frequently asked questions

How do I study from a mind map made from a PDF?

Start at the central topic and say each main branch aloud before opening it. Then test yourself on the subtopics without looking, and redraw any branch you could not recall.

Should a mind map include every detail from the PDF?

No. Keep the top-level concepts and the key terms under each one, and leave out long examples. Detailed facts are better kept in flashcards or quiz questions.

Can I export the mind map?

Viewing and editing the map is free. Exporting to PDF or DOCX requires a Plus or Pro plan.

Does the converter work with scanned pages?

Yes. Photos of pages are read with text recognition, though blurry or skewed images may need a quick check and correction of the branches.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.