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CogniGuide

How to Build a Mind Map Online for Free

See how a mind map is structured from a central idea through main branches and details, then generate your own from notes, a PDF or a simple topic.

No credit card required

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Trusted by learners from top universities

University of California, BerkeleyUniversity of MichiganGeorgetown UniversityUniversity of Southern CaliforniaUniversity of Wisconsin-MadisonUniversity of Illinois Urbana-Champaign

CogniGuide at a glance

What you get
Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
Exports
Your first PDF or PNG export is free; Plus exports anytime.
Price
Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
Sign-up
A free account is required before you create anything (Google or email). No credit card.
What you can upload
PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.

How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify

Build Your Map From Your Own Material

Start from a file or a topic and let AI organize the main ideas into branches you can edit.

Start from your own files

Upload a PDF, Word or PowerPoint file, a text or Markdown file, or an image to build the map.

Clear branch structure

Ideas are grouped under a central topic, with main branches and sub-branches you can expand.

Study beyond the map

Turn the finished map into a quiz, or make flashcards from the same notes, and export it as PNG or PDF.

Build a Mind Map Online in Three Steps

Go from raw notes to an editable map in a few minutes, with no software to install.

  1. 1

    Add your material or topic

    Upload a file or type the subject you want to map out.

  2. 2

    AI builds the map

    The central idea and main branches are generated, ready to edit.

  3. 3

    Edit, expand and export

    Adjust nodes, expand branches with AI, then export or share the map.

Free Online Mind Map Basics

A mind map is a diagram that places one central idea in the middle and arranges related ideas around it as branches. To build a mind map online free, start with the main topic, add the main branches that split it into parts, then add sub-branches for details, examples and dates. Short labels work best, and each branch should connect clearly to the one before it.

  • Central topic: the single idea the whole map is about
  • Main branches: the major categories or stages of the subject
  • Sub-branches: supporting facts, causes and examples
  • Links and colors: optional cues that show relationships between branches
  • Summary labels: short phrases that are easy to recall during review

Once the structure is clear, a map is far easier to revise and test yourself with. CogniGuide can build a personalized mind map from your own notes or files so you can start studying faster.

Explore related topics

build a mind map from notesLearn how to build a mind map step by step, with a clear example and tips for branches. Then turn your own notes or PDF into one with CogniGuide.build mind map with AILearn how to build a mind map step by step, with an example and tips on branches.build a concept mapLearn how to build a concept map with clear steps, linking words and a worked example. Then turn your own notes or PDF into a map with CogniGuide.build concept map with AILearn how to build a concept map step by step, with clear rules for linking concepts and a sample map to follow.build a concept map onlineLearn how to build a concept map online, with the core steps, linking words and a sample map you can adapt. Then create your own map from notes or a PDF.how to create a mind map for studyLearn how to create a mind map for study, with an example map and simple steps you can follow.

Frequently Asked Questions

Answers about making a mind map online without paying.

Can I build a mind map online for free?

Yes. CogniGuide has a free plan that allows 5 creations a week, with no payment needed to get started.

Which files can I use to make a mind map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images. You can also type a topic instead.

Can I edit the map after it is generated?

Yes. You can edit node text, expand any branch with AI, and export the result as a PNG or PDF.

Can I turn my mind map into a quiz?

Yes. You can convert a finished map into a quiz to test yourself, and make flashcards from the same notes.