Turn your own notes into a free mind map
Upload a lecture PDF, slides, or a photo of your notes and get an editable mind map you can explore branch by branch.
Why start with a free mind map
Most people searching for a free mind map want something they can use today without committing to a paid tool. DeckOwl builds one from material you already have, such as a lecture PDF, a handout, a slide deck, or a photo of your notes.
- Three free generations each month on the free plan
- Editable branches you can reword, move, and reorganize
- Works with PDF, DOCX, PPTX, plain text, and photos of pages
- Students get 40% off a paid plan with a school email
Built from your material
Upload PDFs, DOCX or PPTX files, plain text, or photos of pages, and the map is built from what you actually need to learn.
Editable and explorable
Expand and collapse branches, reword nodes, and reorganize the structure so the map matches how your course is organized.
Study from the same source
Turn the same material into flashcards with spaced repetition or a quiz with explanations when you are ready to test yourself.
How it works
Upload your notes
Add a PDF, document, slide deck, text file, or a clear photo of a page.
Generate the map
DeckOwl reads the material and organizes the main topics into branches and sub-points.
Edit and explore
Rename, move, or remove branches, then study the map in your browser.
The free plan includes 3 generations a month and lets you study the map in your browser. Exporting to PDF, DOCX, Anki, or CSV is part of the Plus plan, so check that before you build a workflow around it.
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Frequently asked questions
How do I make a cell biology mind map that helps me study?
Start with the big structures, such as the cell membrane, nucleus, mitochondria, and ribosomes, as main branches. Then add the functions and key facts under each one so you can quiz yourself on every branch.
How many main branches should a study mind map have?
Five to eight main branches is usually enough to cover a chapter without becoming hard to scan. If one branch grows past four or five sub-points, split it into its own topic.
Is the free plan actually free?
Yes, the free plan includes 3 generations a month and lets you study in your browser with no credit card needed. Exports to PDF, DOCX, Anki, and CSV require the Plus plan.
Can I use my own lecture slides or notes instead of a template?
Yes, the mind map is generated from the files or photos you upload, so it reflects your course material rather than a generic template. You can then edit the branches to match what your instructor emphasized.
Keep exploring the topic
Review the main ideas visually or practice recalling them.
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