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Turn your notes into an editable mind map online

Upload a PDF, DOCX, PPTX, or photo of your notes and get a mind map you can edit, rearrange, and 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 create a mind map online instead of drawing one by hand

Create a mind map online when your source material is long and you need the main ideas separated from the details. A mind map puts the central topic in the middle and branches out to subtopics, which matches how many people organize memory. Drawing one by hand takes time to redo every time your notes change.

Works with PDF, DOCX, PPTX, plain text, and photos of pages
Editable branches so you can correct or reorganize the map
Explorable structure that lets you expand one topic at a time
Free plan includes 3 generations per month with no credit card needed

Example cell biology mind map branches (topic: cell biology)

Cell membranePhospholipid bilayer · selective permeability · transport proteins · signaling receptors

MitochondriaSite of cellular respiration · double membrane · produces ATP · contains its own DNA

NucleusStores DNA · nuclear envelope · nucleolus makes ribosomal RNA · pores control transport

Endoplasmic reticulumRough ER has ribosomes · smooth ER makes lipids · smooth ER helps detoxify drugs

Golgi apparatusModifies and sorts proteins · packages them into vesicles · ships them to the membrane or outside the cell

Generate the full set

Upload almost anything

Use PDF, DOCX, PPTX, plain text, or photos of pages. Photos are read with text recognition.

Edit the map

Rename, move, or add branches so the map matches how your course organizes the material.

Explore one branch at a time

Expand and collapse branches to focus on a single topic without losing the big picture.

How it works

Add your material

Upload a PDF, DOCX, PPTX, your notes, or a photo of a page.

Generate the map

DeckOwl turns the content into a branching mind map of the main ideas and details.

Edit and explore

Reshape the branches and click through each topic to review it.

DeckOwl reads your file, finds the main concepts, and builds a map you can keep editing. You can rename branches, move them, or add your own ideas, so the final map reflects what your course emphasized rather than a generic outline.

Once the map exists, use it as a study guide: explore one branch, test yourself on it, then move to the next. Saving your work as a PDF or DOCX is part of the paid Plus plan.

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Frequently asked questions

How do I make a good mind map from a textbook chapter?

Start with the chapter's main headings as your central branches, then add key terms and short definitions under each. Keep each branch to a few words so you can recall it without rereading the whole chapter.

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

Put the broad topic in the center, such as cell biology, and use the major organelles or processes as first-level branches. Under each one, add its function and one structural detail.

Can I edit the mind map after DeckOwl creates it?

Yes, you can rename, move, and add branches to adjust the map to your course. PDF and DOCX export are included in the Plus plan at $39/year or $7.99/month.

Is there a free way to create a mind map online?

The Free plan includes 3 generations per month and lets you study in the browser, with no credit card needed to start. Unlimited generations and exports require Plus.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.