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UUID Generator
Generate random UUID v4 identifiers instantly. Bulk generate up to 100 UUIDs at once.
What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit identifier that is unique across all devices and time. UUID v4 uses random numbers, making collisions virtually impossible (1 in 5.3×10^36).
UUID Format
A UUID v4 looks like: 550e8400-e29b-41d4-a716-446655440000. It consists of 32 hexadecimal digits displayed in 5 groups separated by hyphens (8-4-4-4-12).
Common Uses
- Database primary keys
- API request/response identifiers
- Session tokens
- File naming to avoid conflicts
- Distributed systems without coordination