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Draw a Sequence Diagram
Diagram how systems or people interact over time.
No cal iniciar sessió
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
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Use "->>" for a request and "-->>" for a response between participants.
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Define short aliases (participant U as User) to keep the diagram readable.
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Great for documenting API calls and auth flows in a README.
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Rendered locally in your browser.
Com funciona
1
Introdueix
Enter your data into the tool above. Everything stays local to your browser.
2
Processa
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Descarrega
Get your result instantly. Nothing is stored after you leave the page — complete privacy.
Per què usar la nostra?
✓Completament gratuït — sense costos ocults, mai
✓No cal compte, correu electrònic ni inici de sessió
✓Els fitxers no surten mai del teu dispositiu
✓Sense cap límit de mida de fitxer
✓Sense marques d'aigua en cap sortida