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Turn your notes into a mind map chart you can edit

Instead of filling in an empty template by hand, upload your lecture slides, PDF, or typed notes and get a mind map organized around the main ideas.

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Why start from your own chart instead of a blank template

A mind map chart template gives you empty boxes, but the branches that matter depend on what your course actually covers. A chart on bar graphs, line graphs, and histograms needs different sub-points than a chart on biology pathways.

  • Keeps your instructor's terms and examples in the branches
  • Works from PDFs, slides, Word files, and photos of pages
  • Lets you reorganize and edit the map after it is generated
  • Pairs the map with flashcards or quizzes for the same topic
Example chart types mind map branches
Bar chartCompares categories · Uses vertical or horizontal bars · Bar length shows value · Best for discrete groups
Line chartShows change over time · Time usually runs on the x-axis · Slope shows rate of change · Good for trends
Pie chartShows parts of a whole · Slices should add to 100% · Hard to compare many slices · Avoid for precise comparisons
Scatter plotPlots two numeric variables · Shows correlation · Outliers stand out · Does not prove causation
HistogramShows distribution of numeric data · Bars touch with no gaps · Bin width changes the shape · Shows frequency per interval
Generate the full set

Built from your material

Upload a PDF, DOCX, PPTX, plain text, or a photo of a page, and the main branches come from your own content.

Editable and explorable

Expand or collapse branches, reorganize sub-points, and adjust the map until it matches how your course teaches the topic.

Study from the map

Turn the same material into flashcards with spaced repetition or practice quizzes with explanations when you are ready to test yourself.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, text file, or a photo of your page. Text recognition reads images.

Generate the mind map

DeckOwl organizes the material into a central topic with branches and sub-points you can review.

Edit and study

Change labels, move branches, and explore the chart in your browser. Free accounts study in the browser with no exports.

Generating the map from your own slides or reading keeps the vocabulary and examples your instructor uses. You can then edit anything that is missing or wrong, so the final map reflects your class rather than a generic layout.

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Frequently asked questions

How do I choose which chart types to include in a mind map?

Start with the chart types your course names, such as bar, line, pie, scatter, and histogram. For each one, add what it shows, when to use it, and a common mistake, then check the branches against your lecture notes.

What is the best way to study chart types for an exam?

Practice reading each chart and naming the type from a description of the data. Quiz yourself on when a chart fits the question, because exams often ask you to pick the right chart rather than define it.

Does DeckOwl work for free?

The free plan includes 3 generations per month and lets you study in the browser. Exports such as PDF, DOCX, Anki, and CSV are part of the paid Plus plan.

Do I need a credit card to start?

No credit card is needed to start. Students get 40% off paid plans with a school email address.

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Keep exploring the topic

Review the main ideas visually or practice recalling them.