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Faster concept map creation from your own notes and PDFs

Upload your notes or a PDF and get an editable, explorable mind map you can study from and refine.

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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

What a useful concept map needs

Concept map creation usually starts with a blank page and a stack of lecture notes, and that first hour is where many students stall. DeckOwl reads your PDF, slides, or notes, then drafts a map with the main idea in the center and related ideas branching outward.

Keep the central idea short, ideally a single term or phrase.
Limit each branch to a handful of sub-points so the map stays readable.
Label the links between nodes with a verb, such as causes, requires, or produces.
Revise the map after each study session, adding what you got wrong.

Example cell biology branches for a concept map

Cell membranePhospholipid bilayer · Selectively permeable · Embedded proteins · Passive and active transport

MitosisProphase · Metaphase · Anaphase · Telophase and cytokinesis

OrganellesMitochondria produce ATP · Ribosomes make proteins · Golgi apparatus packages proteins · Lysosomes digest waste

Cellular respirationGlycolysis · Krebs cycle · Electron transport chain · Net ATP yield from glucose

DNA replicationHelicase unwinds the helix · Primase adds RNA primers · DNA polymerase builds new strands · Ligase joins Okazaki fragments

Generate the full set

Starts from your material

Drop in a PDF, DOCX, slide deck, plain text notes, or a photo of a textbook page, and the map is built from what you actually have.

Editable branches

Rename nodes, move branches, add links between ideas, or delete what does not belong, so the map matches your course.

Explorable structure

Expand and collapse branches to see how main ideas break into details, which makes gaps in your understanding easier to spot.

How it works

Upload your source

Add a PDF, DOCX, PPTX, text notes, or an image of a page. Text recognition reads photos of pages.

Review the draft map

DeckOwl proposes a central topic with branches and sub-points. Check each one against your lecture or textbook.

Edit and study

Adjust the map, then turn key nodes into flashcards or quiz questions so the map leads straight into practice.

Because the result is editable, you can drag nodes, rename branches, and add links as you check the draft against your textbook. Exploring each branch shows how the ideas connect, which is the part a map is meant to teach.

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Frequently asked questions

How do I make a good concept map from lecture notes?

Put the main topic in the center, then group related ideas into branches and add short sub-points under each one. Use labeled links to show how ideas relate, and cut anything that does not connect back to the central topic.

How many branches should a concept map have?

Most topics work well with four to seven main branches, each holding two to four sub-points. If a branch becomes crowded, split it into two smaller branches under a new heading.

Can I edit the map after DeckOwl creates it?

Yes. Maps are editable and explorable, so you can rename nodes, move branches, add links, or remove parts that are not accurate.

Do I need a paid plan to export a concept map?

The free plan lets you study in the browser but does not include exports. Plus adds unlimited generations and PDF and DOCX export, and students get 40% off with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.