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Mermaid Live Editor

Create flowcharts and technical diagrams directly in your browser

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88,210 Stars MIT @mermaid-js/mermaid-zenuml@0.2.3 May 21, 2026 Since Nov 2014 1,667 open issues

AI Summary

Mermaid Live Editor is a web-based editor for creating diagrams using code. Developers can use it to create flowcharts, sequence diagrams, Gantt charts, and other technical visualizations through simple text descriptions. The tool converts Mermaid syntax into professional diagrams in real-time.

Screenshot of Mermaid Live Editor website

✓ Pros

+ Code-based diagram creation enables version control
+ Free and usable directly in browser without installation
+ Real-time preview of diagrams during editing

✗ Cons

− Requires knowledge of Mermaid syntax for effective use
− Less intuitive than visual drag-and-drop tools

Use Cases

→ Documentation of software architectures and system processes
→ Creation of UML diagrams for development projects
→ Visualization of Git workflows and processes
→ Creating Gantt charts for project planning

Who is it for?

Ideal for software developers, technical writers, and DevOps teams who want to create version-controllable diagrams in code.

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