PlantUML Server

A web application that generates UML diagrams on-the-fly from plain text descriptions. Write diagram code and see results instantly.

What You Can Do After Deployment

1. Visit your domain — the PlantUML editor is ready immediately
2. Write diagram code — use PlantUML syntax to describe your diagrams
3. See live preview — diagrams render automatically as you type
4. Export diagrams — download as PNG, SVG, ASCII art, or PDF
5. Share via URL — each diagram has a unique URL for sharing

Key Features

• Sequence, class, activity, component, state diagrams and more
• Built-in web editor with syntax highlighting
• Live preview as you type
• Export to PNG, SVG, ASCII art, PDF, and LaTeX
• URL-based diagram encoding for easy sharing
• REST API for integration with other tools
• Support for themes and styling
• Stateless — no data storage needed

License

GPL-3.0 — GitHub