Make a mind map online from the notes or PDF you already have
Upload lecture notes, a PDF, or a photo of a page and get an editable mind map you can expand branch by branch.
Why starting from your own material works better
The best way to make a mind map online is to start from material you already have, such as lecture slides, a textbook chapter, or a photo of your notes. A map built from your own source keeps the terms your instructor used, so it matches what you will be tested on.
- Use one central idea per map, such as a single chapter or lab topic.
- Keep each node to a short phrase rather than a full sentence.
- Expand one branch at a time and say its contents aloud before moving on.
- Redraw the map from memory later to find the branches you still miss.
Starts from your material
Upload a PDF, DOCX, PPTX, plain text notes, or a photo of a page, and the main ideas become branches.
Editable and explorable
Rename, move, or add nodes, then click through branches to focus on one topic at a time.
Turns maps into practice
Use the same material to generate flashcards with spaced repetition or quizzes with explanations.
How it works
Add your notes
Paste text or upload a PDF, DOCX, PPTX, or a photo of a page.
Generate the map
DeckOwl builds a mind map of the main topics and subtopics from your material.
Edit and explore
Adjust branches, then expand and collapse them as you review.
Once the map exists, edit it so it fits how you think. Move a branch under a better parent, merge duplicates, and cut anything you cannot explain in your own words.
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Frequently asked questions
How many branches should a cell biology mind map have?
Most cell biology maps work well with 5 to 7 main branches, one per organelle or process. Give each branch 2 to 4 short sub-points so you can recall it without rereading a paragraph.
How do I study from a mind map instead of just looking at it?
Cover a branch and try to rebuild its sub-points from memory, then check against the map. Redraw the whole map from blank paper once a day for a week to see which branches you still miss.
Is there a free plan?
Yes. The free plan includes 3 generations per month and lets you study in the browser, and no credit card is needed to start. Exports such as PDF and DOCX are part of the paid Plus plan.
Do students get a discount?
Students with a school email get 40% off. Plus is $99.90 per year or $9.99 per month, and you can start on the free plan first.
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