🆔 UUID Generator
Generate universally unique identifiers (UUID v4) instantly
Quick Generate
Advanced Options
Bulk Generation (Download)
About UUIDs
UUID Version 4: Randomly generated 128-bit identifiers
Format: 8-4-4-4-12 hexadecimal digits (36 characters total)
Uniqueness: Extremely low probability of collision (~1 in 5.3 × 10³⁶)
Use Cases: Database primary keys, session IDs, unique filenames, API tokens
Example formats:
- • Standard:
550e8400-e29b-41d4-a716-446655440000 - • Uppercase:
550E8400-E29B-41D4-A716-446655440000 - • No hyphens:
550e8400e29b41d4a716446655440000