Free app
OVERALL RATINGS
INSTALLS
8
SUPPORT
- Partner Supported
Key highlights of the appMermaid Diagrams in Confluence with a live preview editor, 12 templates, page trees, custom colour themes and dark mode
Write Mermaid, see the diagram as you type
A split editor with syntax highlighting and a live preview. Pan, zoom and fit the diagram, then save it straight onto the page.
Diagrams from GitHub, kept in sync
Import a .mmd file or a Mermaid block from Markdown, even from a private repository. Refresh it when the file changes, or commit your edits back to the same file
Your brand colours on every diagram
Admins create colour themes for the whole site. Each has a dark-mode version, generated automatically or hand-picked, and a live preview while you edit.
Supporting media
More details
Mermaid Diagrams by Yamuno turns Mermaid text into diagrams on your Confluence pages.
Write and edit
- Split editor with a live preview as you type
- 12 templates: flowchart, sequence, class, state, ER, Gantt, mind map and more
- Theme, hand-drawn look and direction from the toolbar
Work with GitHub
- Import a .mmd file or a Mermaid block from a .md file, also from private repositories
- Refresh from GitHub, or commit your edits back to the same file
Connect to Confluence
- Map a page tree as a flowchart or mind map
- Right-click any box to link it to a page
Style and share
- Site-wide colour themes with a dark-mode version
- Diagrams follow each reader's light or dark theme
- Pan, zoom, full screen and high-resolution PNG download
Your data: built on Forge, diagrams stay in Atlassian. GitHub is reached only after an admin connects your own GitHub App. See data and privacy.
Get started: quick start and all features
Resources
App documentation
Comprehensive set of documentation from the partner on how this app works
Privacy and Security
Privacy and security questionnaire has been filled by the partner
Privacy policy
Atlassian's privacy policy is not applicable to the use of this app. Please refer to the privacy policy provided by this app's partner.
Partner privacy policySecurity program
This app is not part of the Marketplace Bug Bounty program.
Integration permissions
Mermaid Diagram integrates with your Atlassian app
Version information
Version 3.0.0•for Confluence Cloud
- Release date
- Nov 3rd 2026
- Summary
- Minor version update
- Details
Minor version update
- Payment model
- Free
- License type
- Commercial - no charge