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Turn any text into an editable concept map with AI

Paste your notes, a textbook section, or upload a PDF. DeckOwl builds a mind map with a central topic and branches you can rename, rearrange, and expand.

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 text-based mind map helps

A concept map generator from text is most useful when your source already has clear ideas, such as lecture notes, a textbook chapter, or a study guide. Paste the text or upload the file, and DeckOwl builds a mind map with a central topic and branches you can rearrange, rename, and expand.

Works with pasted text, DOCX, PPTX, PDFs, and photos of pages read with text recognition.
Branches stay editable, so you can correct anything the first pass gets wrong.
Explore mode lets you collapse parts of the map to focus on one topic at a time.
Free plan lets you study maps in the browser; PDF and DOCX export are on Plus.

Example mind map: the three branches of US government

Legislative branchCongress · House and Senate · Makes federal laws · Controls federal spending

Executive branchPresident · Vice President and Cabinet · Enforces federal laws · Commands the armed forces

Judicial branchSupreme Court and federal courts · Interprets the Constitution and laws · Exercises judicial review

Checks and balancesPresidential veto · Congressional override · Senate confirms judges and officials · Congress can impeach

Separation of powersThree branches with distinct roles · Each branch has its own powers · Prevents concentration of power

Generate the full set

Starts from what you have

Paste plain text or notes, or upload a PDF, DOCX, or PPTX. Photos of pages are read with text recognition.

Editable branches

Rename nodes, move branches, and delete what your course does not cover so the map matches your syllabus.

Explorable structure

Expand and collapse branches to focus on one idea at a time, then check how topics connect across the map.

How it works

Add your text

Paste notes or upload the file you are studying from.

Generate the map

DeckOwl proposes a central topic and main branches drawn from your material.

Edit and explore

Adjust the branches, then expand each one to review the details before a quiz or exam.

Because the map is editable, you can trim branches that do not matter for your exam and add sub-points from your own lectures. Mind maps also show how ideas relate to one another, which flat summaries often hide.

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Frequently asked questions

How do I check whether a concept map covers the main ideas of a chapter?

Start with the main branches and confirm each one matches a heading or key term in the chapter. Then pick one branch and explain its sub-points from memory to find gaps.

How many main branches should a concept map for US government have?

Most introductory maps use three main branches for the legislative, executive, and judicial powers, with checks and balances and federalism as separate branches. Add more only if your course assigns them.

Can I export my mind map?

Yes, PDF and DOCX export are included in the Plus plan, which costs $39 per year or $7.99 per month. The free plan lets you study maps in the browser but does not include exports.

Is there a free plan to try this?

Yes, the free plan includes 3 generations per month and no credit card is needed to start. Students can also get 40 percent off with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.