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Get a ChatGPT-style mind map from your own PDF or notes

Chat replies are long and linear. DeckOwl reads the material you study from and builds an editable mind map you can explore branch by branch.

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 beats a long ChatGPT answer for studying

Chat replies run long and linear, which makes them hard to scan before an exam. A ChatGPT mind map generator works differently: you give it the material you actually study from, and the output is a branching map of main topics and their sub-points.

Works from your own PDFs, slides, and notes rather than a general answer
Editable branches so the map reflects your course, not a generic outline
Explorable layout for moving from main ideas to supporting details
Free plan includes 3 generations per month; Plus adds unlimited generations and exports

Example mind map branches on how ChatGPT works

What is a large language model?Predicts the next token in text · Trained on large text datasets · Generates answers from learned patterns

Why can ChatGPT give wrong answers?It generates plausible text, not verified facts · Training data may be outdated or incomplete · Check sources before citing

What makes a good ChatGPT prompt for studying?State the subject and your level · Provide the source material · Ask for a specific format such as a table or quiz

What is a token in ChatGPT?A chunk of text, often part of a word · Usage and input length are measured in tokens · Longer inputs use more of the context window

What is a mind map used for?Shows relationships between main ideas · Branches group related subtopics · Helps you see the big picture before details

Generate the full set

Built from your files

Upload PDF, DOCX, PPTX, plain text notes, or photos of pages. The map is based on your material, not a general chat reply.

Editable branches

Rename, rearrange, or add to the branches so the map matches how your course organizes the topic.

Explorable structure

Follow main topics down to their sub-points to see how ideas connect before you study the details.

How it works

Upload your material

Add a PDF, a Word or PowerPoint file, plain notes, or a photo of a page. No credit card is needed to start.

Generate the mind map

DeckOwl creates a branching map of the main ideas and their supporting points from your file.

Edit and explore

Adjust the branches, then move through the map to review relationships between topics.

DeckOwl is a separate AI study tool, not ChatGPT, and it does not hold a conversation with you. It reads your own file and builds an editable, explorable mind map, so you can reshape the branches where the first pass missed something your course emphasizes.

The free plan includes 3 generations per month with studying in the browser. Plus, at $99.90/year or $9.99/month, adds unlimited generations and PDF, DOCX, Anki, and CSV export. Students get 40% off with a school email.

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Frequently asked questions

How do I get a useful mind map from a ChatGPT-style answer?

Paste or upload the exact source material instead of asking a general question. Then edit the branches so each main idea has only the sub-points your course covers.

How deep should a study mind map go?

Two or three levels is usually enough: a main topic, its key concepts, and a few supporting facts for each. If a branch needs more detail, split it into its own map.

Is DeckOwl the same as ChatGPT?

No. DeckOwl is a separate AI study tool that builds mind maps, flashcards, and quizzes from the files you upload.

Can I export my mind map?

Mind maps are available to use in DeckOwl. PDF, DOCX, Anki, and CSV export are Plus features at $99.90/year or $9.99/month.

Generate free mind maps

Keep exploring the topic

Review the main ideas visually or practice recalling them.