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Turn your notes into an editable mind map, no download needed

Upload a PDF, DOCX, PPTX, text file, or photo of a page. DeckOwl reads it and builds a mind map you can edit and explore, all in the browser with nothing to install.

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

Make a mind map from your own material

DeckOwl does not offer a file to download, because it runs entirely in your browser. If you came looking for a mind map creator you can use right away, you can start with your own lecture notes or textbook pages instead of a generic template that does not match your course.

Works with PDF, DOCX, PPTX, plain text, and photos of pages
Editable branches so the map matches your course outline
Explorable structure for reviewing one topic at a time
No install, no download, and no credit card to begin

Example cell biology mind map branches

Cell membranePhospholipid bilayer · Embedded proteins · Selective permeability · Cholesterol stabilizes fluidity

MitochondriaDouble membrane · Cristae increase surface area · Site of ATP production · Contains its own circular DNA

NucleusNuclear envelope with pores · Chromatin · Nucleolus makes ribosomal RNA · Stores genetic material

Endoplasmic reticulumRough ER has ribosomes · Smooth ER makes lipids · Detoxifies drugs · Connects to the nuclear envelope

Golgi apparatusModifies and sorts proteins · Packages them into vesicles · Cis and trans faces · Processes lipids

Generate the full set

Built from your material

Upload a PDF, DOCX, PPTX, notes, or a photo of a page and get a map based on what you actually need to learn.

Editable and explorable

Rename branches, reorganize topics, and expand sections as you study instead of working from a static picture.

Runs in your browser

There is no software to install. Open DeckOwl on any computer and start from your own files.

How it works

Upload your notes

Add a PDF, DOCX, PPTX, plain text file, or a photo of your page. No credit card is needed to start.

Generate the map

DeckOwl pulls out the main ideas and arranges them into branches with sub-points.

Edit and study

Adjust the layout, then turn the same material into flashcards or a quiz when you are ready.

Upload the material you already have and the tool sorts it into a central topic with branches and sub-points. Because the map is editable, you can fix anything the first pass got wrong and keep the parts that matter for your exam.

The free plan includes 3 generations per month and studying in the browser. Paid plans add unlimited generations and exports such as PDF and DOCX, so you can keep a copy of your study material.

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Frequently asked questions

How do I make a mind map for a biology chapter?

Start with the chapter's main heading as the center, then list the major concepts as first-level branches. Add the key terms, functions, and examples as sub-points under each branch.

What makes a mind map useful for studying?

Keep each branch to one idea and use short phrases instead of full sentences. Review by covering the branches and recalling the sub-points from memory.

Is there a mind map download I can keep offline?

DeckOwl runs in the browser and does not install software. Exports such as PDF and DOCX are included with the Plus plan at $39/year or $7.99/month.

Can I use DeckOwl for free?

Yes. The free plan includes 3 generations per month and studying in the browser. Exports are not included on the free plan.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.