UUID Generator

Generate RFC-compliant UUIDs (v4, v1, etc.) for unique identifiers in your applications.

UUID Version

Quantity

Format

UUIDs are generated client-side and never stored or transmitted.

About UUID Generator

What is a UUID?

A Universally Unique Identifier (UUID) is a 128-bit identifier that is guaranteed to be unique across space and time. UUIDs are used in various applications like databases, distributed systems, and any system requiring unique identifiers.

UUID Versions

UUID v4: Generated using random numbers, best for most use cases
UUID v1: Based on timestamp and MAC address
Nil UUID: Special case with all zeros

Common Use Cases

Database primary keys
Distributed systems for avoiding collisions
Session IDs in web applications
Transaction identifiers
File or document identifiers
API tokens and request IDs
Cloud resource naming and tracking