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Make a mind map from your own notes in minutes

Upload a PDF, DOCX, PPTX, text file, or photo of a page, and DeckOwl builds an editable, explorable mind map you can reshape as you study.

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

Building a mind map without starting from scratch

Most people who want to learn how to make a mind map get stuck at the blank page, unsure which idea belongs at the center. Starting from your own source material solves that, because the chapter or lecture already shows you the main themes and how they connect.

Start with one central topic and place it in the middle of the page.
Limit main branches to five to seven so each one stays easy to scan.
Use two to four short sub-points per branch rather than full sentences.
Revisit and edit the map after each study session so it reflects what you still need to learn.

Example mind map branches for the American Civil War

Causes of the Civil WarSlavery and its expansion · Sectional economic differences · States' rights disputes · Election of Abraham Lincoln in 1860

Major Eastern Theater campaignsPeninsula Campaign · Battle of Antietam · Battle of Gettysburg · Overland Campaign

Western Theater campaignsFort Donelson · Vicksburg · Chattanooga · Sherman's March to the Sea

Emancipation and ReconstructionEmancipation Proclamation (1863) · Thirteenth Amendment · Freedmen's Bureau · Reconstruction Acts

Key leadersAbraham Lincoln · Ulysses S. Grant · Robert E. Lee · Jefferson Davis

Generate the full set

Starts from your material

Upload lecture slides, a textbook chapter, or typed notes, and the mind map is built from what you actually need to learn.

Fully editable

Rename branches, move sub-points, and add your own connections so the map reflects how you think about the topic.

Explore at your own pace

Expand and collapse branches to focus on one section at a time, then test yourself with flashcards or quizzes from the same material.

How it works

Upload your source

Add a PDF, DOCX, PPTX, plain text, or a photo of your notes. Photos are read with text recognition.

Review the generated map

Check the central topic and main branches, then edit wording or regroup sub-points until the structure matches your course.

Study by branch

Expand one branch at a time, quiz yourself on the ideas inside it, and return to the map before your exam.

A useful map has one broad topic in the center, five to seven main branches for the big themes, and two to four short sub-points under each branch. Keep labels to a few words so the map stays readable at a glance, and add links between branches when a cause in one area affects an outcome in another.

DeckOwl does the first draft, and you do the thinking that makes it stick. Edit the branches so they match your syllabus, then use the map as a study guide before a test.

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Frequently asked questions

How many branches should a mind map about the American Civil War have?

Five to seven main branches usually works well, such as causes, major campaigns, key leaders, emancipation and Reconstruction, and the war's outcome. Each branch can hold two to four sub-points before the map gets crowded.

What should go in the center of a history mind map?

Place the broad topic in the center, such as the American Civil War, and use the main branches for themes like causes, battles, and consequences. Dates and names belong in the sub-points, where they are easy to recall.

Can I make a mind map for free?

Yes, the free plan includes 3 generations per month and lets you study in the browser. Exporting to PDF, DOCX, Anki, or CSV requires the Plus plan at $39/year or $7.99/month.

Do I need a credit card to start?

No, you can start without a credit card. Students also get 40% off with a school email address.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.