Mermaid Viewer is a browser-based diagram editor that lets users create and edit Mermaid diagrams directly online. With real-time rendering and live previews, it instantly visualizes diagram updates as users type—eliminating the need for manual rendering and making diagram creation faster and more intuitive.
Key Features
- Live, real-time preview of Mermaid diagrams
- Browser-based editor with no installation required
- Instant visualization without a “Render” button
- Supports standard Mermaid syntax
- Fast and responsive editing experience
Pros
- Speeds up diagram creation and iteration
- Simple and lightweight user interface
- Ideal for developers and technical documentation
- Eliminates extra rendering steps
- Accessible from any modern browser
Cons
- Limited to Mermaid diagram formats
- Advanced styling options may be limited
- Not intended for non-diagram graphic design use
Who Is This Tool For?
- Developers and software engineers
- Technical writers and documentation teams
- Educators and students
- Anyone using Mermaid diagrams for visualization
Pricing
- Free: Full access to core diagram editing and live preview features
