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Turn your notes into an editable online mind map

Upload a PDF, DOCX, or photo of a page and get a mind map with branches you can rearrange, rename, and explore.

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 account · 3 sets a month · Creates mind maps in seconds

How online mind mapping helps with dense course material

Bubbl.us-style tools are great once you already know which ideas belong together. The slow part is turning a 30-page chapter into those branches, and that is where online mind mapping saves time. Start with the source you already have and let the generator propose the structure.

Start from a PDF, DOCX, PPTX, or photo of notes instead of a blank canvas.
Keep each node to a short phrase so the map stays readable at a glance.
Use one central idea per map and split large topics into separate maps.
Edit the structure after generation so the map reflects your course, not a generic outline.

Example mind map branches for study topics

Causes of World War IMilitarism · Alliances · Imperialism · Nationalism

PhotosynthesisLight reactions · Calvin cycle · Inputs: light, water, CO2 · Outputs: glucose, oxygen

Supply and demandDemand curve · Supply curve · Equilibrium price · Shifts from income or input costs

Essay structureThesis · Body paragraphs with evidence · Counterargument · Conclusion

Rules for a clear mind mapOne idea per node · Short labels · Sub-branches for details · Color by theme

Generate the full set

Branches from your material

The generator reads your PDF, slides, or notes and sorts the main ideas into branches and sub-branches.

Editable after generation

Rename nodes, move branches, and add your own ideas so the map matches how you think about the topic.

Explore at your own pace

Collapse and expand branches to drill into details, or step back to see how the whole subject fits together.

How it works

Upload your source

Add a PDF, DOCX, PPTX, plain text, or a photo of a textbook page.

Generate the map

DeckOwl builds a mind map with a central topic and labeled branches drawn from your material.

Edit and study

Reshape the map, then explore it in the browser. Plus adds PDF, DOCX, Anki, and CSV export.

A good study map shows relationships rather than a list. Causes and effects, parts and wholes, and steps in a process are easier to see as branches than as a linear outline. Keep labels short so each node holds one idea, then add sub-branches only where a detail needs its own place.

Treat the first generated map as a draft. Move anything that sits under the wrong parent, merge duplicate branches, and add examples in the nodes where your course emphasizes them.

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Frequently asked questions

How many branches should a study mind map have?

Most topics work well with three to seven main branches, each holding a few sub-points. If one branch needs many children, move it into its own map so the overview stays clear.

Is a mind map better than an outline for studying?

Mind maps suit material where relationships matter, such as causes, effects, and categories. Outlines suit strictly ordered material, so many students use both for the same chapter.

Can I edit the mind map after DeckOwl creates it?

Yes. You can rename nodes, move branches, and add or remove ideas so the map matches your course.

Do I need a paid plan to export my mind map?

Exports are part of the paid Plus plan at $99.90/year or $9.99/month, which includes PDF, DOCX, Anki, and CSV export. The free plan includes 3 generations per month and studying in the browser.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.