MermaidViewer

Launched Nov 04, 2025

Create, AI-Generate, and Share Diagrams Effortlessly.

MermaidViewer is an online tool to create, edit, and share Mermaid diagrams with live previews, AI-assisted code, and seamless export options.

- Instant Live Preview – Watch your diagrams come to life as you type, no waiting, no hassle.
- Smart AI Assistance – Turn simple text into fully functional Mermaid diagrams with GPT-4 magic.
- Flexible Exports – Save your work in SVG, PNG, PDF, or Markdown, with themes and DPI customization.
- Seamless Team Collaboration – Share and co-edit diagrams in real-time, boosting productivity.
- Enterprise-Ready & Secure – Deploy privately with Docker and manage access with role-based controls.

- Flowcharts & Diagrams – Create business workflows, system flows, sequence diagrams, and Gantt charts quickly online.
- Technical Documentation – Visualize complex system architectures, APIs, and data flows for clear, professional documentation.
- AI-Assisted Diagram Generation – Convert text descriptions into Mermaid code instantly, saving time and effort.
- Team Collaboration & Sharing – Collaborate in real-time, co-edit diagrams, and share visuals seamlessly with teams.