UUID / GUID Generator

Generate cryptographically secure v4 UUIDs instantly online. Free bulk UUID generator.

Number of UUIDs to generate

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Generated UUIDs:

What is a UUID?

UUID stands for Universally Unique Identifier (also known as GUID). It is a 128-bit label used for information in computer systems. Standard UUIDs (like Version 4 generated here) are randomly generated and have virtually zero chance of collision.

Secure Generation

This tool uses the browser's native `crypto.randomUUID()` method, which relies on a cryptographically secure pseudorandom number generator (CSPRNG). It conforms to RFC 4122.