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Turn your lecture notes into mind maps you can use for studying

Upload a PDF, document, or set of notes and get a mind map with a central topic, clear branches, and sub-points you can edit and explore.

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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

Why mind maps help with memory

A useful way to use mind maps for studying is to start from the material you already have. Put the main topic in the center, add one branch for each major heading, and keep each branch short enough to recall without the page in front of you.

Start with one central topic and no more than a handful of main branches.
Use short phrases on each branch instead of full sentences.
Redraw the map from memory after a study session, then compare it with your notes.
Add new branches as you learn, rather than cramming every detail into the first version.

Example biology mind map branches for cell structure

Cell membranePhospholipid bilayer · Embedded proteins · Selective permeability

MitochondriaDouble membrane · Site of cellular respiration · Produces ATP · Own circular DNA

NucleusNuclear envelope · Chromatin · Nucleolus · Ribosome subunit assembly

Endoplasmic reticulumRough ER with ribosomes · Smooth ER · Lipid synthesis · Protein folding and transport

ChloroplastThylakoid membranes · Stroma · Light-dependent reactions · Calvin cycle

Generate the full set

Starts from your own material

Upload PDFs, DOCX or PPTX files, plain notes, or a photo of a textbook page, and the map is built from what you actually need to learn.

Editable branches

Rename, move, or delete any branch as your understanding changes, so the map stays accurate through the whole course.

Explorable structure

Expand and collapse sections to test yourself on one branch at a time instead of rereading everything at once.

How it works

Upload your notes

Add a chapter, slide deck, or photo of handwritten notes to start a new map.

Review the central topic

Check that the main idea and major branches match your course outline, then edit anything that is off.

Recall before you look

Collapse the branches and try to name each sub-point from memory, then expand the map to check yourself.

Mind maps work because they show how ideas connect, not only how they are listed. Covering branches and redrawing them from memory is a form of retrieval practice, which tends to be more effective than rereading the same notes.

DeckOwl builds a first draft from your files, and the map stays editable so you can reshape it as your course moves on.

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Frequently asked questions

How do I start a mind map for a chapter?

Write the chapter's main topic in the center, then add one branch for each major heading. Keep each branch to a few words so you can recall it without looking at the page.

How many branches should a study mind map have?

Most chapters work well with four to eight main branches, each with two to four sub-points. If a branch gets crowded, split it into its own smaller map.

Can I edit and export a mind map?

Yes, maps are editable and explorable in the browser. Exports such as PDF and DOCX are part of the Plus plan, which costs $39 per year or $7.99 per month.

Is there a free plan to try mind maps?

Yes, the free plan includes 3 generations per month and studying in the browser. No credit card is needed to start, and students can get 40% off with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.