Turn your science notes into a mind map you can save as PDF
Upload a lecture PDF, slides, or typed notes and get an editable, explorable mind map of the topics your class covers. Free to start, no credit card needed.
Why a custom science mind map beats a generic download
A generic printable is rarely built around your class. A science mind map made from your own lecture slides or textbook chapter covers what your exam will actually test.
- Start with one unit or chapter so the map stays readable.
- Use short labels on branches and put definitions in sub-points.
- Redraw a branch from memory, then check it against the source.
- Export to PDF on Plus when you need a printable copy for class.
Built from your material
The map follows your own lecture slides or textbook chapter, so it matches what your teacher actually covers.
Editable and explorable
Rename branches, add sub-points, and click through the map to see how ideas connect before you study them.
Export when you need it
Free plan studies in the browser. Plus adds PDF, DOCX, and Anki export so you can print or review anywhere.
How it works
Upload your notes
Add a PDF, DOCX, PPTX, plain text, or a photo of a handwritten page. Photos are read with text recognition.
Generate the mind map
DeckOwl pulls out the main concepts and arranges them into branches with supporting details.
Edit, study, or export
Adjust the map to fit your course, study it in the browser, or export a PDF on Plus.
Free science mind map PDFs tend to show broad diagrams with no detail from your course. When you generate a map from your own material, each branch uses the terms, examples, and definitions your teacher used, so the map works as a study guide rather than a poster.
To get the most from a map, start with the unit's central idea in the middle, then branch into processes, structures, and key vocabulary. Redraw one branch from memory each study session to check what you have retained.
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Frequently asked questions
How do I organize a science mind map for a unit test?
Put the unit's central concept in the middle, then add one main branch for each major process, structure, or law. Keep sub-points to the facts you would need to answer a question about that branch.
What should go on the main branches of a biology mind map?
Use the big topics from your syllabus, such as cell structure, transport, or respiration. Under each, list the key terms, the processes in order, and one example you can recall without looking.
Can I download my mind map as a PDF for free?
The free plan lets you study the map in the browser but does not include exports. PDF export is part of Plus, which costs $39/year or $7.99/month.
Do I need a credit card to try it?
No. You can start on the free plan without a credit card, and students get 40% off a paid plan with a school email.
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