What is MermaidViewer?

MermaidViewer is the ultimate online tool for creating, editing, and sharing Mermaid diagrams. Instantly see live previews as you type, use AI-assisted code generation to speed up diagram creation, and export your work in SVG, PNG, or Markdown with ease. Collaborate in real-time with team members or work solo — no installation required. Perfect for flowcharts, sequence diagrams, Gantt charts, and other technical visualizations, MermaidViewer combines speed, accuracy, and simplicity in one intuitive platform. Ideal for developers, product managers, and teams who want professional-quality diagrams quickly and efficiently.

Use Cases And Features

1. Technical Documentation: Visualize system architectures, API flows, and data models with precision and clarity. Create comprehensive documentation that helps teams understand complex technical concepts at a glance.

2. Developer Workflows: Map out CI/CD pipelines, commit flows, and microservices architectures efficiently. Streamline development processes by creating visual representations of your deployment strategies and service dependencies.

3. Team Collaboration: Create and share diagrams for planning sessions, retrospectives, and onboarding new team members. Enable seamless communication across departments with easy-to-understand visual workflows that everyone can access and contribute to.

Key Features:

• Real-time Preview: See your diagram update instantly as you edit the code
• AI-Powered Generation: Accelerate diagram creation with intelligent code suggestions
• Multiple Export Formats: Download in SVG, PNG, or Markdown format
• Browser-Based: No software installation needed, works on any device
• Collaboration Ready: Share and work together with your team in real-time

Whether you're documenting software architecture, planning project timelines, or mapping user journeys, MermaidViewer provides the tools you need to create professional, shareable diagrams in minutes.