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Turn your online class notes into a mind map with AI

Upload the PDFs, slides or notes from your course and get an editable mind map you can explore branch by branch, so you see how each lecture connects.

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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

Mind maps for online class material

Online class content piles up fast across modules, readings and recorded lecture notes, so an online class mind map built from your own files shows how each unit connects before a quiz or exam.

Start with one central node for the course unit, then add one main branch per lecture.
Keep each branch to four or five sub-points so the map stays readable on a laptop screen.
Put definitions and formulas on the sub-branches and examples one level deeper.
Re-generate or edit the map after each new lecture so it stays current with the syllabus.

Example intro biology mind map branches for a first-year online class

Cell structureCell membrane · Nucleus · Mitochondria · Ribosomes

PhotosynthesisLight-dependent reactions · Calvin cycle · Chloroplast · Glucose output

Cell divisionMitosis · Meiosis · Chromosome number · Cell cycle checkpoints

GeneticsDominant and recessive alleles · Punnett squares · Genotype and phenotype

EcosystemsProducers and consumers · Energy flow · Nutrient cycles

Generate the full set

Built from your own files

Upload PDF, DOCX, PPTX, plain text or a photo of a page, and the mind map is generated from the material your instructor actually assigned.

Editable and explorable

Rename branches, add sub-points and move topics around so the map matches how your course is organized.

Study from the same map

Turn the same notes into flashcards with spaced repetition or a quiz with explanations when you are ready to test yourself.

How it works

Upload your class material

Add the lecture slides, readings or notes you have for the course. No credit card is needed to start.

Generate the mind map

DeckOwl sorts the content into a central topic, main branches and sub-points you can read at a glance.

Edit and review

Adjust the branches to match your syllabus, then study the map in the browser before the next exam.

A good class map starts with the course topic in the center, then a branch for each week or lecture, and sub-branches for key terms, examples and formulas. Because the map is generated from your material, the labels follow your instructor's wording rather than generic textbook headings.

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Frequently asked questions

How do I organize online class notes into a mind map?

Put the course unit at the center, then give each lecture its own main branch. Add key terms, examples and formulas as sub-branches under the lecture they came from.

How many branches should one class mind map have?

Most single lectures work well with four to seven main branches. If one branch needs many sub-points, split it into a separate map for that topic.

Can I make a mind map from a PDF of my slides?

Yes. Upload the PDF, DOCX or PPTX file, or a photo of a page, and DeckOwl builds an editable mind map from the text.

Do I have to pay to export my mind map?

The free plan has three generations per month and lets you study in the browser, but it does not include exports. Plus at $39/year or $7.99/month adds PDF and DOCX export, and students get 40% off with a school email.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.