Format:
1 UUID
Output (click to copy all)
About UUIDs
What is a UUID?
UUID (Universally Unique Identifier) is a 128-bit value used to uniquely identify objects. Version 4 UUIDs use cryptographically random bits.
Format
Standard format: 8-4-4-4-12 hex digits separated by hyphens. Example: 550e8400-e29b-41d4-a716-446655440000
Use cases
Database primary keys, session IDs, file names, API request tracking, distributed system identifiers.