🎨 Mermaid Chart Maker
Professional Mermaid Chart Maker
Create stunning flowcharts, sequence diagrams, and more with our free online tool
Chart Editor
Live Preview
Generating chart...
Chart Templates
Get started quickly with our pre-built templates
Basic Flowchart
Perfect for process flows and decision trees
📊 Flowchart Template
Sequence Diagram
Ideal for showing interactions between components
🔄 Sequence Template
Gantt Chart
Great for project timeline management
📅 Gantt Template
Class Diagram
Perfect for software architecture documentation
🏗️ Class Template
Pie Chart
Excellent for showing data distribution
🥧 Pie Template
State Diagram
Best for state machine documentation
🔄 State Template
Why Choose Our Mermaid Chart Maker?
Fast & Responsive
Real-time preview with instant updates as you type
Professional Quality
Create publication-ready diagrams with beautiful styling
Export Options
Download as SVG, PNG, or copy the Mermaid code
Mobile Friendly
Works perfectly on all devices and screen sizes
Privacy First
All processing happens in your browser - no data sent to servers
No Registration
Start creating charts immediately - no sign-up required
How to Use the Mermaid Chart Maker
- Choose your chart type from the buttons above the editor
- Write your Mermaid code in the editor panel on the left
- See the live preview update automatically on the right
- Use templates to get started quickly with common chart types
- Download your chart as SVG or copy the code to use elsewhere
Mermaid Syntax Examples:
A --> Bcreates a simple arrow connectionA[Rectangle] --> B{Diamond}creates shaped nodesA -->|Label| Badds labels to connections- Use
classDefto style your diagrams with custom colors