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A mind map maker application that works from your own files

Drop in a lecture PDF, a Word document or messy class notes, and get a mind map you can rearrange, expand 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 mind map helps when the material is long

Most students end up with thirty pages of lecture slides and a stack of scattered notes before an exam, and a mind map maker application can turn that pile into a branching diagram in a few minutes.

Start from the lecture or textbook chapter you actually need to learn, not a generic topic outline.
Keep main branches to five or seven so each one is easy to hold in memory.
Turn each sub-point into a question and answer it from memory before checking the map.
Redraw the map from a blank page a day later to find which links you forgot.

Example cell biology mind map branches (sample topic)

Cell membranephospholipid bilayer · selective permeability · transport proteins

Mitochondriasite of cellular respiration · produces ATP · contains its own DNA

Nucleusholds genetic material · bounded by nuclear envelope · nucleolus makes ribosomal RNA

Endoplasmic reticulumrough ER has ribosomes · smooth ER makes lipids · detoxifies drugs in liver cells

Golgi apparatusmodifies and sorts proteins · packages vesicles · ships cargo to the membrane or outside the cell

Generate the full set

Works from your files

Upload PDF, DOCX, PPTX, plain text or notes. Photos of printed pages are read with text recognition.

Editable branches

Rename, move or add nodes after generation so the map matches how your course organizes the material.

Explorable structure

Collapse and expand branches to move from the big picture to the supporting details without losing your place.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text file or photo of a page. No credit card is needed to start.

Review the generated map

Check the main branches and sub-points against your source, then edit anything that looks off.

Study by exploring

Walk through the branches in the browser, quiz yourself on each one, or export when you are on a paid plan.

A mind map shows how concepts connect, such as which terms belong under a process and which are examples of it. Seeing those links makes it easier to recall the material than rereading a list of definitions.

DeckOwl builds the first draft from your own files, so the map reflects your course rather than a generic template. You then edit the branches until the structure matches what your instructor emphasized.

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Frequently asked questions

How do I break a biology chapter into branches for a mind map?

Start with the chapter's headings as main branches, then place each key term under the heading where it is explained. Use the sub-points for mechanisms, examples and exceptions.

How many main branches should a study mind map have?

Five to seven main branches work well for most chapters because they are easy to remember. If you have more, group related topics under a shared parent branch.

Can I export my mind map?

Exporting is part of the Plus plan at $39/year or $7.99/month, which includes PDF and DOCX export. The free plan lets you study the map in the browser.

Can I use photos of my notes?

Yes. Photos of pages are read with text recognition, so a clear, well-lit photo of printed notes works best.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.