Turn your notes into a free online mind map
Upload a PDF, DOCX, slide deck, or photo of a page and get an editable, explorable mind map. Start free in your browser.
Why a free online mind map helps you study
A free online mind map is useful when a chapter or lecture has too many connected ideas to hold in a plain list. Seeing the main topic at the center, with related concepts branching outward, makes it easier to spot relationships that get lost in linear notes.
- Start with the central topic and add only the branches your source material supports.
- Keep each sub-point short, ideally a term, a fact, or a short cause-and-effect phrase.
- Expand one branch at a time and try to recall its contents before opening it.
- Revisit the map a day or two later and redraw any branch you could not explain.
Built from your material
Upload PDFs, Word files, PowerPoint decks, plain notes, or photos of pages. Text recognition reads the content so the map reflects what you actually studied.
Editable branches
Rename, move, or delete any node and add your own details. The map stays yours to reshape as your understanding changes.
Explore at your own pace
Expand and collapse branches to focus on one topic at a time. Use the map to see how ideas connect before you test yourself.
How it works
Add your material
Upload a file or paste your notes. No account is needed to try the first generation.
Generate the map
DeckOwl organizes the main ideas into a central topic with branches and sub-points.
Edit and explore
Adjust the branches, then expand each one to review the details and connections.
The free plan lets you build up to 3 maps each month and study them in the browser. Paid plans add unlimited generations and export options, so you can take a map into other tools when you need to. Either way, the map is most effective when you edit it yourself, because rewriting each branch in your own words is a form of recall.
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Frequently asked questions
How many branches should a mind map have?
Most study maps work well with 4 to 7 main branches, each holding 2 to 4 sub-points. If a branch grows much larger, split it into two narrower topics so each one is easier to review.
How do I use a mind map to study biology?
Put the chapter topic in the center and create one branch per major concept, such as cell structure or cellular respiration. Then close the map and try to rebuild each branch from memory, checking your gaps against the source.
Is the free plan enough to try DeckOwl?
Yes, the free plan includes 3 generations per month and lets you study in the browser, with no credit card needed to start. Exporting maps and flashcards is a paid feature.
Can I export my mind map?
Exports are included on the paid plans, which unlock unlimited generations along with PDF, DOCX, Anki, and CSV export. The free plan keeps your maps available to study in the browser.
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