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Turn your class notes into an editable mind map

Upload a PDF, DOCX, PPTX, plain notes, or a photo of a page and get a mind map you can edit and explore. Generating the map needs an internet connection.

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

Why a mind map maker works best when you prepare ahead

Many students search for a mind map maker offline because study time often happens on a train or in a library with weak signal. DeckOwl does not have a separate offline mode, and the AI step needs a connection, so generate the map before you leave a connected place.

Start with one chapter or lecture so the main branches stay readable.
Rename vague branch labels to the exact terms your instructor uses.
Test recall by hiding sub-points and naming them aloud before you check.
Revisit weak branches the next day rather than rereading the whole map.

Example cell biology mind map branches

Cell structureNucleus · Mitochondria · Ribosomes · Cell membrane

PhotosynthesisLight reactions · Calvin cycle · Chloroplast · Glucose output

MitosisProphase · Metaphase · Anaphase · Telophase

Cell membrane transportPassive transport · Active transport · Phospholipid bilayer · Osmosis

DNA replicationHelicase · Primase · DNA polymerase · Ligase

Generate the full set

Built from your own material

Upload your lecture PDF, slide deck, or typed notes and the map is drawn from that content, not generic filler.

Editable and explorable

Rename branches, reorder ideas, and click through sub-points to see how each concept connects to the rest of the topic.

Photos of pages work too

Snap a textbook page or whiteboard and text recognition reads it before the map is generated.

How it works

Add your source

Upload a file or paste your notes. No credit card is needed to start on the free plan.

Generate the map

The AI groups your material into a central topic, main branches, and sub-points while you are connected.

Edit and study

Adjust the branches you want, then explore the map in your browser to test recall one branch at a time.

A good map starts with a clear source. A single chapter or lecture gives the AI a tight set of ideas, while a full semester of notes tends to produce crowded branches. Split large material into units and make one map per unit.

Once the map exists, use it as a recall tool. Cover one branch, say the sub-points from memory, then uncover them to check. Repeat the branches you missed the next day.

Explore related topics

Free Mind Map Offline Study Guide

Turn your notes into an editable mind map, then export a copy to keep for offline review.

Mind map app offline: browser-based options

Browser-based AI mind maps from your notes, and what to expect for offline study.

Mind map software offline: honest answer

What works offline in DeckOwl and how to make a mind map from your notes.

AhaSlides AI Mind Map Generator

Upload notes or PDFs and get an editable AI mind map for AhaSlides study topics.

AI-Based Mind Map Generator

Turn PDFs or notes into an editable, explorable AI mind map.

AI Concept Map from PDF

Turn a PDF or notes into an editable, explorable concept map with AI, free to start.

AI Concept Map Generator From Text

Turn pasted text or uploaded notes into an editable, explorable mind map with AI.

Sample AI Concept Map for Photosynthesis

See a photosynthesis concept map sample, then build one from your own notes or PDFs.

Frequently asked questions

How do I make a mind map for studying biology?

Start with one unit, such as cell structure, and list the main structures or processes as branches. Then add the functions, parts, or steps under each branch so you can quiz yourself by covering the sub-points.

How many main branches should a study mind map have?

Five to eight main branches usually fit on one screen and cover a single topic well. If you have more, split the material into two maps so each branch stays specific enough to remember.

Does DeckOwl work without an internet connection?

DeckOwl does not offer a separate offline mode, and generating a mind map needs a connection. Plan to create the map on a connected device before you head somewhere without signal.

Which exports are included in the paid plans?

Export to PDF, DOCX, Anki, and CSV is part of Plus at $39/year or $7.99/month, and the free plan covers 3 generations per month with study in the browser.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.