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Turn any science PDF into an editable mind map

Upload lecture slides, textbook chapters, or photos of your notes and get a mind map you can edit and explore branch by branch.

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 custom science mind map beats a generic PDF

Generic printable diagrams rarely match your syllabus, so a science mind map PDF built from your own lecture notes usually serves exam prep better.

Pulls main concepts and sub-points directly from your uploaded material
Keeps the structure editable so you can correct terms or reorder branches
Lets you explore one branch at a time instead of scanning a dense page
Exports to PDF on the Plus plan for printing or sharing

Example science mind map branches (cell biology, physics, Earth science)

Cell structureNucleus stores DNA · Mitochondria release energy as ATP · Ribosomes build proteins · Cell membrane controls what enters and exits

Light-dependent reactions of photosynthesisOccur in thylakoid membranes · Split water and release oxygen · Produce ATP and NADPH

Newton's laws of motionFirst law: inertia · Second law: F = ma · Third law: equal and opposite forces

Plate boundariesDivergent: plates pull apart · Convergent: plates collide · Transform: plates slide past each other

Atomic structureProtons and neutrons sit in the nucleus · Electrons occupy shells · Atomic number equals the proton count

Generate the full set

Built from your material

The map reflects your own course content, not a generic diagram that skips what your instructor covered.

Editable and explorable

Rename branches, add sub-points, and expand or collapse sections to focus on what you still need to learn.

Works with PDFs and photos

Upload PDF, DOCX, PPTX, plain text, or images of pages, which are read with text recognition.

How it works

Upload your science material

Add a PDF, slide deck, or photos of handwritten notes from class or your textbook.

Generate the mind map

DeckOwl organizes the main concepts into branches with supporting sub-points.

Explore, edit, and study

Adjust the branches to match your course, then review them in the browser. PDF export is included with Plus.

A custom map shows how topics connect, such as how cell structures relate to their functions or how forces link to motion. Seeing those links makes it easier to recall the material under test pressure.

Start with the free plan to make a few maps in your browser. When you need an offline copy to print or share with a study group, Plus adds PDF export.

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Frequently asked questions

How many branches should a science mind map have?

Most topics work well with 4 to 7 main branches, each holding 2 to 4 sub-points. Fewer branches keep the map readable when you review it before an exam.

How do I study from a science mind map?

Cover the branch labels and try to recall each sub-point, then check the map. Repeat with the branches you missed until you can rebuild the whole map from memory.

Can I export the science mind map as a PDF?

Yes, PDF export is included with the Plus plan at $39/year or $7.99/month. The free plan lets you study the map in your browser without exports.

Does it work with photos of handwritten notes?

Yes, photos of pages are read with text recognition, and you can also upload PDF, DOCX, PPTX, or plain text files. No credit card is needed to start.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.