About Mermaid Live Editor
Mermaid Live Editor is a powerful, free online tool that lets you create complex diagrams using simple text definitions. It is built on top of the open-source Mermaid.js library, allowing you to generate flowcharts, sequence diagrams, gantt charts, and more without needing any design skills.
Why Use Mermaid Live Editor?
🚀 Text-to-Diagram
Write code, get diagrams. It's that simple. Version control your diagrams just like your code.
🔒 Privacy First
Your diagrams are rendered locally in your browser. We don't store your sensitive data on our servers.
📤 Export Options
Download your creations as high-quality SVG or PNG images for use in documents and presentations.
🔗 Easy Sharing
Share your diagrams instantly with a unique URL. Collaborate with your team effortlessly.
Supported Diagram Types
- Flowchart
- Sequence Diagram
- Gantt Chart
- Class Diagram
- State Diagram
- Pie Chart
- Entity Relationship
- User Journey
- Git Graph
About the Creator
Built and maintained by Gagan Thakur — a developer passionate about productivity tools and developer experience.
Connect on LinkedInFAQ
Is it free?
Yes, Mermaid Live Editor is 100% free to use.
Do you save my data?
No. All rendering happens in your browser. When you create a share link, the diagram code is encoded into the URL itself.