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Turn your own notes into a free online mind map

Upload a PDF, slides, or notes and get an editable mind map you can explore. The free plan includes 3 generations per month and needs no credit card.

Create mind maps nowFree · No credit card required

Free · First set needs no signup · Creates mind maps in seconds

Why a free online mind map works better when it comes from your own material

Most blank mind map templates make you type every branch yourself, and the structure rarely matches your lecture. DeckOwl builds a free online mind map from your own PDF, DOCX, slides, or photo of a page, so the main topics and sub-points come from what you actually need to learn.

  • Upload PDF, DOCX, PPTX, plain text, or a photo of a page
  • Editable nodes you can rearrange, rename, and expand
  • Explore branches by clicking through the map as you study
  • Start free with 3 generations per month and no credit card
Example cell biology mind map branches
Cell membranephospholipid bilayer · selectively permeable · embedded proteins · cholesterol stabilizes fluidity in animal cells
Mitochondriadouble membrane · cristae increase surface area · site of ATP production · contain their own circular DNA
Nucleusnuclear envelope with pores · holds chromosomes · nucleolus produces ribosomal RNA
Endoplasmic reticulumrough ER studded with ribosomes for membrane and secreted proteins · smooth ER makes lipids · detoxifies drugs in liver cells
Passive transportdiffusion down a concentration gradient · facilitated diffusion uses channel or carrier proteins · osmosis moves water · no ATP needed
Generate the full set

Built from your material

Upload a PDF, DOCX, PPTX, notes, or a photo of a page and the map follows your own content.

Editable structure

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

Explorable on screen

Click into any branch to see its sub-points without scrolling through a long outline.

How it works

Upload your notes

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

Generate the map

DeckOwl reads the text and proposes main branches with sub-points.

Edit and explore

Adjust anything you want, then click through the branches while you study.

The free plan gives you 3 generations per month and lets you study in the browser. Exports such as PDF, DOCX, and Anki are part of the Plus plan at $39 per year or $7.99 per month, which also includes unlimited generations.

Explore related topics

Frequently asked questions

How many branches should a cell biology mind map have?

Aim for 5 to 8 main branches, each with 2 to 4 sub-points, so the map stays readable on one page. Group related structures under one parent, such as organelles or transport processes.

Should I use a mind map or flashcards to memorize biology terms?

Mind maps show how topics connect, while flashcards with spaced repetition help you recall exact terms. Many students use the map first to see the structure, then drill the terms with flashcards.

Is DeckOwl free for making mind maps?

The free plan includes 3 generations per month and studying in the browser. Exports such as PDF, DOCX, and Anki are paid features on the Plus plan.

Do I need a credit card to start?

No. You can start on the free plan without a credit card. Students with a school email get 40% off paid plans.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.