Developer Tools

UUID Generator

Generate unique UUIDs (Universally Unique Identifiers) for your applications, databases, and API integrations.

Number of UUIDs

Uppercase Include Hyphens

1. 0fad39d8-a72c-4c75-ae02-12b1f544ed3b

What is a UUID?

A UUID (Universally Unique Identifier) is a 128-bit identifier that is guaranteed to be unique across space and time. UUIDs are standardized by RFC 4122.

UUID Format:

xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx

Where 4 indicates version 4, and y is one of 8, 9, A, or B

Common Use Cases

Database primary keys
Session identifiers
API request tracking
Distributed systems
File naming