UUID Generator

Random version 4 UUIDs (GUIDs), generated locally.

How many Uppercase No hyphens Braces

What is a UUID?

A UUID is a 128-bit identifier written as 32 hexadecimal digits in five groups, like 123e4567-e89b-42d3-a456-426614174000. Version 4 UUIDs are random, so the chance of two ever matching is negligible. Developers use them as database keys, file names and request IDs.

FAQ

Are these truly random?

They come from your browser’s cryptographically secure generator (crypto.getRandomValues).

UUID or GUID?

Same thing — GUID is the term used in Microsoft environments.