OVERALL RATINGS
INSTALLS
1
SUPPORT
- Partner Supported
TRUST SIGNALS
Key highlights of the appMermaid macro for Confluence Cloud: flowcharts, sequence and Gantt diagrams as code with live preview and PDF export

Write Mermaid and watch it draw live
Switch between Code, Split and Preview, drag the divider to resize, and fix mistakes fast with syntax highlighting, autocomplete and inline error markers.
Start from a template, not a blank page
Pick a ready-made example for 20+ diagram types, including flowcharts, sequence diagrams, Gantt, C4 and mind maps, then edit it to fit your page.
Share diagrams in PDF, Word and slides
Saved diagrams appear as images in PDF and Word exports. Zoom, pan and go full screen on the page, then copy or download PNG and SVG for slides or email.
Supporting media
More details
Mermaid diagrams as code for Confluence Cloud: flowchart, sequence, class, ER, Gantt, mind map and more.
Data: diagram text lives in your Confluence page and its history. No analytics, no cookies, no external calls. Runs on Atlassian.
Compatibility: Mermaid 12 with 20+ diagram types. Page exports to PDF and Word include diagrams as images, with their titles.
Styling: built-in themes or a Custom theme with your own colours and font, which looks the same in light and dark mode. Titles go at the top or bottom, or can be hidden.
Migration: convert existing Mermaid code blocks to live diagrams in one step.
Limits: up to 100 KB of diagram text per diagram, and 1 MB for an attached .mmd source file. The editor shows the size as you type and won’t save above the limit.
Setup and usage guide: https://mermaid.wattlebrooks.com/docs/
Support: https://wattlebrooks.atlassian.net/servicedesk/customer/portal/2 (we aim to reply within 2 business days)
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 Studio for Confluence integrates with your Atlassian app
Version information
Version 3.8.0•for Confluence Cloud
- Release date
- Nov 2nd 2026
- Summary
- More reliable diagrams from code on the page
- Details
- Diagrams that use code from the page keep showing after the page is published, even if Confluence re-identifies the code block, and fall back to a saved copy of their code
- Payment model
- Paid via Atlassian
- License type
- Commercial