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Create a Class Diagram

Diagram classes and their relationships for software design.

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Preview
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πŸ’‘ Write diagrams in Mermaid syntax β€” flowcharts, sequence diagrams, Gantt charts, class diagrams, and more β€” and export as SVG or PNG. Rendering happens entirely in your browser; nothing is uploaded.

class diagrams tips

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Define classes with fields and methods, then use "<|--" to show inheritance.

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Keep design docs in version control by storing the diagram as text.

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Export SVG for documentation that scales cleanly at any zoom.

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Your architecture stays private β€” rendered locally.

Come funziona

1
Inserisci
Enter your data into the tool above. Everything stays local to your browser.
2
Elabora
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Scarica
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

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βœ“Completamente gratuito β€” nessun costo nascosto, mai
βœ“Nessun account, email o accesso richiesto
βœ“I file non lasciano mai il tuo dispositivo
βœ“Assolutamente nessun limite di dimensione file
βœ“Nessuna filigrana su nessun output

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