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Turn online course notes into a mind map you can explore

Upload the readings, slides, or notes from any module and get a mind map you can rename, reorganize, and expand one branch at a time.

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 account · 3 sets a month · Creates mind maps in seconds

Why a mind map helps with an online course

Recorded lectures and weekly readings pile up fast, and a mind map for an online course shows how each unit connects so you can see the whole subject at once. Instead of scrolling through twelve slide decks, you start from one central topic and branch outward.

Keep one map per module so midterm review stays manageable
Check each branch against the syllabus and fix anything the AI grouped oddly
Redraw the map after a lecture to lock in what changed
Pair a branch with flashcards when you need to memorize terms

Example mind map: intro microeconomics course

Main branch: ScarcityLimited resources · Unlimited wants · Forces trade-offs

Main branch: Opportunity costValue of the next best alternative · Often hidden in decisions · Measured in what you give up

Main branch: SupplyQuantity producers offer · Price changes move along the curve · Shifts come from costs, technology, or number of sellers

Main branch: ElasticityResponsiveness to price change · Elastic demand has many substitutes · Inelastic demand has few

Main branch: Market equilibriumQuantity supplied equals quantity demanded · Surplus pushes price down · Shortage pushes price up

Generate the full set

Branches you can edit

Rename, move, and reorganize nodes so the map matches how your instructor framed the material.

Explore by clicking

Expand and collapse sections to zoom from a unit overview down to a single definition.

Built from your files

Start from PDFs, DOCX files, slide decks, pasted notes, or photos of pages read with text recognition.

How it works

Upload your course material

Add a PDF reading, a slide deck, or notes from any module.

Generate the map

DeckOwl sorts the content into a central topic with nested branches.

Edit and explore

Adjust the branches, then expand each section as you review the unit.

DeckOwl reads your uploaded files and proposes the branches, which you can then rename, merge, or move. Because the map stays editable, it can follow your instructor's structure rather than a generic outline.

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Frequently asked questions

How many branches should a mind map for an online course have?

Most weekly modules work well with four to six main branches, each with a few sub-points. If a branch needs more than seven children, split it into two sub-topics.

Does a mind map help more than rereading lecture notes?

Many students find that covering branches and recalling them works better than rereading the same notes. Use the map to test yourself on each section before checking the details.

Is there a free plan?

Yes. The free plan includes 3 generations per month and studying in the browser, and no credit card is needed to start.

Can I export my study materials?

Exports to PDF, DOCX, Anki, and CSV are part of the Plus plan at $99.90 per year or $9.99 per month. 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.