UUID Generator

Generate unique identifiers for databases, APIs, and applications

UUID v4 Generator

Recommended

Generate random UUIDs using cryptographically secure algorithms

UUID Settings

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About UUID v4

UUID version 4 uses random or pseudo-random numbers. Most popular choice for general use cases due to its simplicity and security.

RFC 4122Cryptographically Secure122-bit randomness

Common Use Cases

Database primary keys

API request tracking

Session identifiers

Event tracking IDs

RFC 4122 Compliant

All UUIDs generated follow the official RFC 4122 standard.

Cryptographically Secure

UUID v4 uses cryptographically secure random number generation.

No Server Storage

All generation happens in your browser. Nothing is stored on our servers.