Mermaid Macros for Confluence

by 9ByNight

works with Confluence Cloud

Free app

OVERALL RATINGS
INSTALLS
SUPPORT: Unsupported
TRUST SIGNALS

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Overview

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Support

Installation

Key highlights of the appRender Mermaid diagrams in Confluence pages — flowcharts, sequence, Gantt, state, ER, and 15+ other types

Gantt chart

Native support for Gantt charts and 15+ other Mermaid diagram types.

Pie chart - in edit mode

Light or dark mode, the macros will show brilliant diagrams rendered from Mermaid.

Flowchart

Flow chart using Mermaid

More details

Mermaid Macros for Confluence brings diagrams-as-code to Confluence pages. Insert a Mermaid macro via the /Mermaid slash command, paste your diagram source, and it renders inline as an interactive SVG.

Supports flowcharts, sequence/class/state diagrams (UML), ERDs, Gantt, pie charts, git graphs, mindmaps, architecture diagrams, and more.

Features:

Inline macro rendering — paste source, see the diagram
Export as SVG or PNG
Theme-aware (light/dark mode)
Per-diagram error handling
Zoom controls and clipboard copy
Privacy and security:
Runs entirely on Atlassian Forge
100% client-side — source never leaves Confluence
Zero data access permissions (scopes: [])
No external API calls, no analytics, no tracking
Inherits SOC 2 Type II and GDPR from Forge

Companion to Mermaid Diagrams for Jira by the same vendor.

Support: contact@9bynight.com

Docs: https://www.9bynight.com/docs/mermaid-diagrams

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 policy

Security program

This app is not part of the Marketplace Bug Bounty program.

Version information

Version 3.1.0•for Confluence Cloud

Release date: May 30th 2026
Summary: Initial release of Mermaid Macros for Confluence
Details: Insert Mermaid diagrams via /Mermaid slash command
Support for 15+ diagram types: flowcharts, sequence, class, state, ERD, Gantt, pie, mindmaps, git graphs, timelines, and more
SVG and PNG export with matched themes
Payment model: Free
License type: Commercial - no charge