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CogniGuide

3D Mind Map Online: A Spatial Way to Organize Ideas

See how a mind map laid out in space groups related ideas and branches. Then build your own map from notes, a PDF or a topic.

No credit card required

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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

What You Get With an Online Mind Map

Turn your own material into a clear, expandable map you can explore from any angle.

Build from your own files

Upload a PDF, Word, PowerPoint, text, Markdown or image file, or type a topic, and get a map in minutes.

Expandable branches

Expand any node with AI, edit its text, and keep related ideas grouped so the structure stays readable.

Study and share

Turn the map into a quiz, create flashcards from the same notes, export as PNG or PDF, or share a link.

How to Make a Mind Map Online

Three steps from raw material to a map you can explore and study.

  1. 1

    Add your material

    Upload a file or type a topic to start your online mind map.

  2. 2

    AI builds the map

    The AI groups key ideas into a central topic with linked branches.

  3. 3

    Explore and study

    Expand nodes, edit text, take a quiz or export the map to share.

Understanding 3D Mind Maps Online

A 3D mind map online presents a central idea with branches that can be viewed from different angles, so related concepts sit close together in space. The layout suits large topics with many links, such as a research project or a course with several units. Each branch holds a main theme, and its sub-branches hold supporting details, examples and terms.

  • Central topic: the core idea placed at the centre of the map
  • Main branches: the major themes that split from the centre
  • Sub-branches: supporting facts, examples and definitions
  • Cross-links: connections between branches that show relationships

Use the map to review, plan or prepare for an exam by walking through each branch. You can create a personalized map from your own notes with CogniGuide in a few clicks.

Frequently Asked Questions

Common questions about making a 3D mind map online.

What is a 3D mind map?

A 3D mind map is a diagram where ideas are arranged in three-dimensional space, with a central topic and branches that can be rotated and viewed from different angles. It helps show how many concepts relate to each other at once.

Are 3D mind maps better than flat ones?

They can be useful for large or highly connected topics because depth gives more room for related ideas. For short lists or simple outlines, a flat mind map is often easier to read and edit.

Which files can I use to make a map with CogniGuide?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images. You can also type a topic and let the AI build the map from it.

Is it free, and can I turn the map into a quiz?

There is a free plan with 5 creations a week and no payment needed. Maps can also be turned into a quiz to test yourself, and the same notes can become flashcards.