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Make a mind map from your notes without writing code

Upload a PDF, DOCX, PPTX, or photo of your notes and get an editable mind map you can explore branch by branch. No programming needed.

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 code-free mind map maker suits most students

Most people searching for a code-free mind map maker want to turn lecture notes into a diagram, not build software to draw one. DeckOwl reads your PDF, slides, or notes and produces a map with a central topic and branches for the main ideas.

No code or setup: upload a file and the map is generated for you.
Works with PDFs, DOCX, PPTX, plain notes, and photos of pages.
Edit the map after generation so it matches your course.
Free plan includes 3 generations per month, studied in the browser.

Example mind map branches for an intro Python course

Data typesint, float, str, bool · Type conversion with int() and str() · Checking types with type()

Control flowif, elif, else · for and while loops · break and continue

Functionsdef and return · Parameters and default arguments · Local vs global scope

Lists and dictionariesIndexing and slicing · append, pop, and remove · Key-value pairs in dictionaries

Errors and debuggingSyntaxError vs runtime errors · try and except · Reading tracebacks line by line

Generate the full set

Any source file

Works with PDFs, DOCX, PPTX, plain text, and photos of pages, which are read with text recognition.

Editable and explorable

Rearrange branches, change wording, and click through each section as you study the material.

Study from the same material

Turn the same notes into flashcards or quizzes when you want to test what the map shows.

How it works

Upload your material

Add a PDF, DOCX, PPTX, text file, or photo of your pages.

Review the generated map

DeckOwl builds a central topic with branches for the key ideas it finds.

Edit and explore it

Adjust branches to match your course and click through them to review.

If you want to script diagrams yourself, tools like Graphviz or a charting library in Python or JavaScript let you write the layout by hand. That takes time to learn, and you still have to pick out the important ideas yourself, which is the part that helps you study.

Once the map exists, you can edit branches, rearrange them, and click through each section to test yourself. The free plan includes 3 generations per month for studying in the browser, and Plus adds unlimited generations along with file exports.

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Frequently asked questions

Do I need to write code to make a mind map here?

No. Upload a PDF, DOCX, PPTX, notes, or a photo of your pages and DeckOwl generates the map for you. You can then edit it in the browser.

How many branches should a study mind map have?

Aim for one branch per major concept, with two to four sub-points under each so the map stays readable. If a branch keeps growing, split it into a separate map.

How do I map a programming topic like loops or functions?

Start with the central idea, then branch into definitions, syntax, common errors, and a small worked example for each. Redraw the map from memory afterward to check what you retained.

Which features need a paid plan?

The free plan includes 3 generations per month and browser study. Plus, at $39/year or $7.99/month, adds unlimited generations and PDF, DOCX, Anki, and CSV export.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.