Generate standard UUID v4 identifiers in bulk.
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
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.
Choose how many UUIDs to generate (1 to 100) and select Version 4 (random).
Toggle uppercase vs lowercase letters and standard hyphens vs raw hexadecimal.
Copy individual UUIDs or bulk export the complete list with one click.
A Version 4 UUID is a 128-bit universally unique identifier generated using cryptographic random numbers with negligible collision probability.
Yes, all generated UUIDs adhere strictly to the RFC 4122 specification.
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