UUID Generator
Generate UUID/GUID unique identifiers
UUID Generator Guide
Generate universally unique identifiers (UUIDs) in various formats.
What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information. UUIDs are designed to be unique across space and time.
UUID Versions
- UUID v1 - Time-based, includes timestamp and MAC address
- UUID v4 - Random, most commonly used version
Common Use Cases
- Database primary keys
- Session identifiers
- Distributed system IDs
- File naming for uniqueness