Generate RFC 4193 Unique Local IPv6 addresses (`fd00::/8`) and /64 subnets.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. No data is ever transmitted across the network.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Enter or configure parameter fields in the workspace.
All calculations execute client-side with zero network egress.
Copy output or download generated assets directly.
Yes, 100% free and processes data locally in your browser.
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