OPML Mind Map: Turn an Outline Into a Visual Tree
See how an OPML outline becomes a branching map of topics and subtopics. Then create your own map from notes, a PDF or a topic.
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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
Build Your OPML-Style Map Fast
Start from your own material and get a clear, expandable tree of topics without writing the outline by hand.
Build from your own files
Upload a PDF, Word, PowerPoint, text or Markdown file and the AI turns its headings into branches.
Keep the hierarchy clear
Parent topics and subtopics stay nested, so the outline structure is easy to scan and revise.
Expand, quiz and export
Grow any branch with AI, turn the map into a quiz, or export it as PNG or PDF to share.
How to Make an OPML Mind Map
Three steps take you from a raw outline to a usable visual map you can study or share.
- 1
Add your outline or topic
Upload your notes, an outline document or a PDF, or type the subject you want mapped.
- 2
AI builds the tree
CogniGuide organizes the content into parent topics, subtopics and details as a mind map.
- 3
Edit, expand and export
Refine node text, expand weak branches, then export or share the map with a link.
Understanding OPML and Mind Map Structure
OPML, or Outline Processor Markup Language, is an XML format for storing outlines as nested lists of items. Each item can hold child items, so a single file can describe a full topic hierarchy. A mind map shows the same nested structure visually, with a central topic and branches radiating outward. Converting an OPML outline into a mind map makes relationships between ideas easier to see at a glance.
- Head: title, author and date metadata for the file
- Body: the outline itself, stored as nested outline elements
- Parent nodes: main topics that group related items
- Child nodes: subtopics and supporting details under each parent
Use the map to review a subject, spot gaps in your outline or plan a project. CogniGuide can build a personalized mind map from your own notes, so the structure fits your material.
OPML Mind Map Questions
Answers about the format and about making a map with CogniGuide.
What does OPML stand for?
OPML stands for Outline Processor Markup Language. It is an XML format that stores outlines as nested items, which is why it is common for sharing lists of feeds, bookmarks and structured notes between apps.
Can an OPML outline become a mind map?
Yes. Because both formats are hierarchical, each outline level maps naturally to a branch level in a mind map. The parent items become main branches and the children become subtopics.
Which files can I upload to CogniGuide?
You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images. You can also type a topic directly and let the AI build the map.
Can I turn my map into a quiz?
Yes. Once the map is created, you can turn it into a quiz to test yourself, and the same notes can also become flashcards.