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Turn your notes and PDFs into a mind map you can explore

Upload a PDF or your notes and get 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 · First set needs no signup · Creates mind maps in seconds

Why a mind map app beats a blank page

A mind map app helps most when the ideas already exist in your course material and you need them arranged by how they connect. Instead of hunting for a printable template, you upload your own PDF or notes and DeckOwl drafts the map, so the structure reflects what your teacher actually covered.

Start from your own PDF, slides, or notes rather than generic topic lists.
Edit, rename, and rearrange nodes until the map matches your lecture.
Expand branches gradually to avoid a crowded, unreadable page.
Turn any node into flashcards or quiz questions when you are ready to practice.

Example renewable energy sources mind map branches

Solar energyPhotovoltaic panels · Concentrated solar power · Output depends on sunlight

Wind energyOnshore and offshore turbines · Kinetic energy converted to electricity · Output varies with wind speed

HydropowerDams and reservoirs · Run-of-river systems · High upfront construction cost

Geothermal energyHeat from Earth's crust · Steam or hot water drives turbines · Best near tectonic activity

Biomass energyWood, crops, and waste · Burned or converted to biofuel · Carbon impact depends on sourcing

Generate the full set

Built from your material

Upload a PDF, DOCX, PPTX, plain text notes, or a photo of a page and get a map of the main ideas.

Editable branches

Rename, move, or add nodes so the map matches how you think about the topic.

Explore at your own pace

Expand and collapse branches to focus on one area at a time instead of scanning a crowded page.

How it works

Upload your source

Add a PDF, slides, a Word file, notes, or a photo of a textbook page.

Review the map

Read the branches DeckOwl pulls out and edit anything that is off.

Explore and study

Expand the branches you need, then turn key nodes into flashcards or quiz questions.

If you were hoping for a ready-made set of ideas, this gives you a starting map built from your own sources, which is usually more useful before an exam. Every node stays editable, so you can cut weak branches and add your own examples as you go.