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CogniGuide

Open a Mind Map File Online in Your Browser

Upload a mind map or outline and see it as an interactive map you can expand, edit and export. You can also create a new map from your own notes or PDF.

No credit card required

AI Generated Preview

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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

Work With Your Map Online

Open, read and reshape a mind map file without installing desktop software.

Build From Your Own Files

Upload a PDF, Word, PowerPoint, text or image file and get a mind map built from its content.

Expand and Edit Branches

Open any node to expand it with AI, edit its text, or reorganize branches as you read.

Study, Quiz and Export

Turn the map into a quiz or flashcards, then export it as a PNG or PDF or share a link.

How to Open a Mind Map Online

Three steps from your file to a map you can read and edit in the browser.

  1. 1

    Upload Your File

    Add your PDF, DOCX, PPTX, text, Markdown or image file, or type a topic.

  2. 2

    AI Builds the Map

    CogniGuide turns the content into a mind map with clear, expandable branches.

  3. 3

    Read, Edit and Export

    Explore the branches, edit node text, then export as PNG or PDF or share a link.

Opening Mind Map Files Online

A mind map file stores a central topic, its main branches and the details under each branch. Opening one online lets you read the structure without installing desktop software. A good online viewer shows the hierarchy clearly, so you can follow how ideas connect and where each subtopic belongs.

  • Central topic: the main idea at the root of the map
  • Main branches: the major categories that split from the root
  • Sub-branches: supporting details nested under each branch
  • Node text: the labels you can read, expand and edit
  • Exports: PNG or PDF copies for printing or sharing

Once the map is open, use its branches to review, revise or plan your work. To build a map from your own notes, try CogniGuide's AI generator.

Common Questions About Opening Mind Maps

Answers about viewing and working with mind map files in the browser.

What is a mind map file?

A mind map file stores a central idea, its branches and their sub-branches. Many mind mapping tools save maps in their own formats, so the file usually needs that tool or a compatible viewer to open.

Can I edit a mind map after opening it?

Yes. In CogniGuide you can expand any node with AI, edit its text, and export the finished map as a PNG or PDF.

Which files can CogniGuide use?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images, and CogniGuide builds a mind map from them.

Is it free to use?

There is a free plan with 5 creations a week and no payment needed. Paid plans raise the limits.