OVERALL RATINGS
INSTALLS
10
SUPPORT
- Partner Supported
TRUST SIGNALS
Key highlights of the appMermaid diagrams in Confluence — flowcharts, UML, Gantt, ER, C4 and 25+ types with live preview, 26+ templates and dark mode
Live Preview Editor
Write Mermaid syntax and see your diagram render instantly — edit flowcharts, sequence diagrams, and Gantt charts with real-time preview directly in the Confluence editor
Dark Mode and 25+ Diagram Types
Diagrams auto-sync with your Confluence theme — light or dark. Create flowcharts, Gantt charts, sequence diagrams, C4 architecture, mindmaps, state diagrams and 20+ more types from simple text syntax
26+ Ready-Made Templates
Start from 26+ templates for flowcharts, UML sequence diagrams, ER diagrams, C4 architecture, Gantt charts, class diagrams and mindmaps — insert into any Confluence page with one click
Supporting media
More details
Mermaid Plus Diagrams brings the full power of Mermaid.js to Confluence with 25+ diagram types including flowcharts, sequence diagrams, Gantt charts, class diagrams, ER diagrams, C4 architecture, mindmaps, pie charts, state diagrams, gitgraph, user journeys and more. All diagrams are created from simple text syntax — no drag-and-drop editor needed.
The live preview editor shows your diagram render as you type, so you can iterate quickly without page refreshes. Choose from 26+ ready-made templates for common diagram patterns like process flows, API interactions, project timelines, database schemas and system architecture. Dark mode auto-syncs with your Confluence theme.
Mermaid Plus runs entirely on Atlassian infrastructure with no external servers, making it a secure choice for teams handling sensitive documentation. Free for teams up to 10 users.
Explore More Atlassian Apps by Us:📌 Mermaid Plus Diagrams for Jira📌 Enhanced Markdown for Confluence📌 Pagination Buttons for Confluence
Resources
App documentation
Comprehensive set of documentation from the partner on how this app works
Privacy and Security
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.
Version information
Version 2.9.0•for Confluence Cloud
- Release date
- Apr 13th 2026
- Summary
- Live preview editor, 26+ templates, C4 architecture and dark mode sync
- Details
What's New:
- Live preview editor — see diagrams render as you type
- 26+ ready-made templates for all diagram types
- C4 architecture diagram support
- Auto dark mode sync with Confluence theme
- Performance improvements and bug fixes
Mermaid Plus is the most feature-rich Mermaid app for Confluence Cloud. Create flowcharts, UML, Gantt, ER, C4 and 25+ diagram types with a built-in live preview editor and 26+ templates.
- Payment model
- Paid via Atlassian
- License type
- Commercial