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Turn your notes or PDF into an explorable mind map

Upload a PDF, DOCX, PPTX, or photo of your notes and get an editable mind map with branches you can expand and reorganize.

Create mind maps nowFree · No credit card required

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

Why a mind map helps with dense subjects

Topics with many linked parts, like cell biology, are easier to follow when you can see how the membrane, organelles, and transport processes connect. A mind map maker with a Lucid-style layout turns a long chapter into a visual structure you can scan and revisit.

  • Start from your own PDF, slides, or notes instead of an empty canvas.
  • Edit branches and sub-points so the map reflects your course.
  • Explore each branch to review relationships between concepts.
  • Study in the browser on the free plan, with 3 generations per month.
Example cell biology mind map branches
Cell membranePhospholipid bilayer · selective permeability · transport proteins
MitochondriaATP production · cellular respiration · double membrane
NucleusNuclear envelope · chromatin · nucleolus, where ribosome subunits form
Endoplasmic reticulumRough ER with ribosomes · smooth ER for lipid synthesis · detoxification
Golgi apparatusModifies proteins · sorts cargo · packages vesicles
Generate the full set

Editable branches

Rename, move, or add nodes after generation so the map matches how you think about the material.

Explorable structure

Follow each main branch down to its sub-points to see how ideas connect across a chapter or lecture.

Built from your files

Start from your own slides, documents, or typed notes instead of a blank canvas.

How it works

Add your material

Upload a PDF, DOCX, PPTX, plain text, or a photo of a page.

Generate the map

DeckOwl organizes the content into a central topic with main branches and sub-points.

Edit and explore

Adjust the layout, then click through branches to review and study the material.

Mind maps work best when each branch holds one idea and a few supporting points. Editing the generated map lets you trim weak branches, merge overlapping ones, and add your own notes from class.

When you are done reviewing the map, you can switch to flashcards or a quiz built from the same material to test recall.

Explore related topics

Frequently asked questions

How many main branches should a cell biology mind map have?

Four to seven main branches usually keeps the map readable, with two to four sub-points under each. Group related organelles or processes together so each branch covers one idea.

How do I study from a mind map effectively?

Cover the sub-points and try to recall them from the main branch, then check your answer. Redrawing one branch from memory each day is an effective way to find gaps.

What files can I upload to make a mind map?

You can upload PDF, DOCX, and PPTX files, plain text or notes, and images of pages, which are read with text recognition. Clear, typed text usually gives the cleanest structure.

Is there a free plan, and do I need a credit card?

The free plan includes 3 generations per month and studying in the browser. You do not need a credit card to start. Paid plans add unlimited generations and exports.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.