📊
↔️
Draw a Sequence Diagram
Diagram how systems or people interact over time.
Sin necesidad de registro
Preview
Start typing to see your diagram…
💡 Write diagrams in Mermaid syntax — flowcharts, sequence diagrams, Gantt charts, class diagrams, and more — and export as SVG or PNG. Rendering happens entirely in your browser; nothing is uploaded.
sequence diagrams tips
↔️
Use "->>" for a request and "-->>" for a response between participants.
👥
Define short aliases (participant U as User) to keep the diagram readable.
📑
Great for documenting API calls and auth flows in a README.
🔒
Rendered locally in your browser.
Cómo funciona
1
Introducir
Enter your data into the tool above. Everything stays local to your browser.
2
Procesar
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Descargar
Get your result instantly. Nothing is stored after you leave the page — complete privacy.
¿Por qué usar el nuestro?
✓Completamente gratis — sin costes ocultos, nunca
✓Sin cuenta, correo ni registro requerido
✓Los archivos nunca salen de tu dispositivo
✓Sin límite de tamaño de archivo en absoluto
✓Sin marcas de agua en ningún resultado