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Turn messy brainstorming notes into a mind map you can explore

Upload a PDF, document, or photo of your notes and get an editable, explorable mind map to build on.

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

Why a mind map suits brainstorming

Most people who reach for brainstorming mind map software already have a pile of scattered ideas from a meeting, a reading, or a class discussion. The hard part is seeing how those ideas connect.

Start with one central question so every branch stays tied to the same goal.
Add ideas quickly without judging them, then review and group them in a second pass.
Look for empty areas of the map and ask what idea might belong there.
Export or revisit the map later as your plans take shape, with exports available on paid plans.

Example brainstorming techniques mapped as branches

Osborn's brainstorming rulesDefer judgment · Go for quantity · Build on others' ideas · Welcome unusual ideas

BrainwritingSilent idea writing · Sheets passed between participants · Each person builds on earlier ideas

SCAMPER promptsSubstitute · Combine · Adapt · Modify

Affinity groupingWrite each idea on its own card · Cluster similar ideas · Name each cluster · Review gaps

Reverse brainstormingList ways to cause the problem · Flip each cause into a fix · Test fixes against real constraints

Generate the full set

Built from your own material

Drop in a PDF, DOCX, PPTX, plain text, or a photo of handwritten notes, and the tool drafts a mind map from what you already have.

Editable branches

Rename nodes, drag branches into new groups, and delete ideas that no longer fit. The map stays yours to reshape as thinking develops.

Explore at your own pace

Expand or collapse branches to focus on one cluster of ideas at a time, then step back to see how the whole topic connects.

How it works

Upload your notes

Add the document, slides, or text from your meeting, reading, or session. Photos of whiteboards and pages are read with text recognition.

Generate the first map

DeckOwl proposes a central topic with branches and sub-branches, giving you a starting structure to react to.

Edit and expand

Refine the map by adding ideas, merging duplicates, and grouping related branches until the picture makes sense.

A mind map puts a central question in the middle and branches out into related ideas, so you can keep expanding or pruning as your thinking changes. DeckOwl reads your source material and drafts that structure, and the result stays editable so you can reorganize it by hand.

Brainstorming works best when generating ideas and judging them happen in separate passes. Draft the map first, then go back and mark the branches worth developing further.

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Frequently asked questions

How do I brainstorm effectively with a mind map?

Write the central question in the middle, then add branches as fast as you can without judging them. Once ideas slow down, review the branches and group the related ones.

Should I finish generating ideas before evaluating them?

Usually yes. Separating idea generation from evaluation tends to produce more options, so sort and rank them after the first pass.

Can I export my mind map?

Exporting is a paid feature, included in the Plus plan at $39/year or $7.99/month. The free plan lets you build and explore maps in the browser.

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

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