UUID Generator
Generate unique identifiers (UUIDs/GUIDs) with various options
Generator Options
Bulk Generator
Paste a list (one item per line) and generate a UUID for each line
About UUID
Version 4 (Random)
Generated using random or pseudo-random numbers. Most commonly used.
Version 1 (Timestamp)
Generated using timestamp and MAC address. Sortable by time.
UUID Structure
xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx
M = Version (1, 4, etc.)
N = Variant (8, 9, a, b)
Common Uses
- Database primary keys
- Session identifiers
- Transaction IDs
- File names
- Distributed systems
- API request tracking
Example UUIDs
Version 4:
550e8400-e29b-41d4-a716-446655440000Without hyphens:
550e8400e29b41d4a716446655440000