๐Ÿ†” UUID Generator

Generate one or many RFC 4122 version-4 UUIDs (universally unique identifiers) for use in code, databases, or testing.

Everything runs locally in your browser. Your files are never uploaded to a server.

Frequently asked questions

What is a UUID used for?

UUIDs are widely used as unique identifiers for database records, API objects, and distributed systems โ€” the odds of two random UUIDs colliding are astronomically small.

What UUID version does this generate?

Version 4 (random) โ€” the most common type, generated using cryptographically secure randomness via the Web Crypto API.

More QR & Generators

See all โ†’