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Turn your notes into a mind map online with AI

Upload a PDF, DOCX, slides, plain notes, or a photo of a page. DeckOwl builds an editable mind map you can explore branch by branch.

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 account · 3 sets a month · Creates mind maps in seconds

Why an AI mind map beats a blank page

Dense lecture notes and textbook chapters rarely show how ideas connect. Paste in a PDF, DOCX, or a photo of your page, and you can make a mind map online with AI that shows the main topics, their subtopics, and the links between them. Each branch stays editable, so you can reword nodes or move them as your understanding changes.

Builds from PDF, DOCX, PPTX, plain notes, and photos of pages
Editable nodes so you can correct or reorganize the map
Explorable branches you can expand and collapse while reviewing
Free plan includes 3 generations per month, studied in the browser

Example climate and weather mind map branches

Greenhouse effectSunlight passes through the atmosphere · Gases like CO2 trap outgoing heat · The surface warms and radiates energy back up

Weather vs. climateWeather is short-term conditions in the air · Climate is the average pattern over decades · Climate describes what to expect, weather describes today

Air pressure systemsHigh pressure usually brings clear, calm skies · Low pressure brings clouds and precipitation · Winds flow from high toward low pressure

Weather frontsCold fronts push under warm air and can bring fast storms · Warm fronts rise over cold air and bring longer rain · Occluded fronts form when a cold front overtakes a warm front

The ocean's role in climateOceans absorb most of the excess heat · Ocean currents redistribute heat around the globe · El Niño shifts Pacific temperatures and rainfall patterns

Generate the full set

Reads your own material

Works from PDF, DOCX, PPTX, plain text, and photos of pages read with text recognition.

Editable branches

Reword, rearrange, or add nodes so the map matches how you understand the topic.

Explorable structure

Expand and collapse branches to focus on one idea at a time while you review.

How it works

Upload your notes

Add a file, paste text, or take a photo of a textbook page or whiteboard.

Generate the map

DeckOwl pulls out the main topics, subtopics, and the links between them.

Edit and explore

Fix anything that looks off, then move through the branches to check your understanding.

Mind maps work well for subjects with many interacting causes, like climate and weather, where pressure, temperature, and ocean currents all influence one another. Start with the central topic, then check that each branch answers a single question before you add detail.

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Sample AI Concept Map for Photosynthesis

See a photosynthesis concept map sample, then build one from your own notes or PDFs.

Frequently asked questions

How do I break a climate unit into mind map branches?

Start with a central idea such as the climate system, then add branches for energy input, the atmosphere, oceans, and human influences. Keep each branch to one question so its sub-points stay easy to scan.

What is the difference between weather and climate for a mind map?

Weather describes short-term conditions in the atmosphere, while climate is the long-term average pattern for a region, usually measured over decades. Putting them on separate branches helps you avoid mixing them up.

Can I export my mind map?

The free plan lets you study in the browser without exports. Plus, at $99.90/year or $9.99/month, adds PDF and DOCX export along with unlimited generations.

Do I need a credit card to try it?

No. You can start on the free plan without a credit card, and students get 40% off with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.