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Mermaid Viewer

Online Diagram Editor with Live Preview

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What is Mermaid Viewer?

A simple browser-based editor for creating and sharing Mermaid diagrams. Type Mermaid code and see an instant live preview, or use the built-in GPT-4 assistant to convert plain text into diagrams. Export high-quality SVG, PNG, or PDF files, collaborate with teammates in real time, and deploy privately for teams. No signup is required and data stays in your browser by default.

Key features

  • See diagram changes instantly as you type in the editor.
  • Generate Mermaid code from plain text using GPT-4 assistance.
  • Export diagrams as SVG, PNG, or PDF with custom settings.
  • Deploy privately with Docker and manage access through roles.
  • Highlight syntax errors and suggest automatic corrections for diagrams.
  • Share editable links so teams can collaborate in real time.

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