Online Tools
UUID Generator
Generate Universally Unique Identifiers (UUID) with batch generation and multiple formats
UUID Generation Settings
Maximum 100 UUIDs can be generated
Usage Instructions
What is UUID?
UUID (Universally Unique Identifier) is a globally unique identifier used to identify information in distributed systems.
Format Description
- Standard: 8-4-4-4-12 hyphen-separated format (e.g., 550e8400-e29b-41d4-a716-446655440000)
- Uppercase: All letters in uppercase
- No Hyphens: 32-character string without hyphens (e.g., 550e8400e29b41d4a716446655440000)
Use Cases
- Database primary keys
- File naming
- API interface identification
- Session IDs
- Distributed system node identification