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Key highlights of the appMermaid Editor with Full-screen SVG Viewer & Advanced Export (PNG, SVG). Secure Forge-based App
Syntax-highlighted editor
Write Mermaid faster and with fewer errors. The redesigned editor highlights Mermaid syntax in real time, so you catch mistakes as you type - not after you save. Write complex diagrams with confidence.
16 diagram types in one app
Flowcharts, sequence diagrams, Gantt charts, class diagrams, ER diagrams, state machines, mindmaps, timelines, XY charts and more - all from a single app, all in one place.
Export diagrams as PNG, SVG, or copy to clipboard
Save any diagram as a PNG or SVG file, or copy it directly to the clipboard - ready for slides, documents, or design tools.
Supporting media
More details
Create flowcharts, sequence diagrams, Gantt charts, class diagrams, and 12 more diagram types in Jira using plain Mermaid syntax - no external tools required.
Features:
- Syntax-highlighted editor with live preview
- Full-screen SVG viewer with zoom and pan
- Export as PNG, SVG, or copy to clipboard
- Dark theme support
Full list of supported diagram types:
- Flowchart
- Sequence Diagram
- Class Diagram
- State Diagram
- Entity Relationship Diagram
- User Journey
- Gantt
- Pie Chart
- Quadrant Chart
- Requirement Diagram
- Gitgraph (Git) Diagram
- Mindmaps
- Timeline
- Sankey
- XYChart 🔥
- Block Diagram 🔥
The app is Forge-based (runs on Atlassian), it runs entirely on Atlassian's Forge platform, meaning no external servers, no third-party data transmission.
Also need diagrams for Confluence? We've got you covered →
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.
Integration permissions
Apportunity: Mermaid Diagrams for Jira integrates with your Atlassian app
Version information
Version 3.6.0•for Jira Cloud
- Release date
- Jun 20th 2026
- Summary
- 🚀 New smart Mermaid editor and export features
- Details
📝 New Mermaid Editor
Enjoy a completely redesigned editor with Mermaid syntax highlighting for a much better diagram editing experience.
📤 Advanced Export Capabilities
You can now export diagrams in multiple ways:
- PNG export
- SVG export
- Copy diagram directly to clipboard
- Payment model
- Paid via Atlassian
- License type
- Commercial