🆔 UUID Generator
Generate universally unique identifiers (UUIDs)
Settings
Randomly generated UUID
Generate 1-100 UUIDs at once
About UUIDs
🔑 What is a UUID?
A UUID (Universally Unique Identifier) is a 128-bit number used to uniquely identify information in computer systems. The probability of collision is extremely low, making them perfect for distributed systems.
📋 UUID Format
xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx
8-4-4-4-12 hexadecimal digits separated by hyphens. M indicates the version, N indicates the variant.
🎯 Common Use Cases
- •Database primary keys for distributed systems
- •Session identifiers and API tokens
- •File names and unique resource identifiers
- •Tracking IDs and transaction references
- •Message queue and event identifiers
⚡ Version Differences
Version 4 (Random)
Generated from random numbers. Most commonly used version.
Version 1 (Time-based)
Includes timestamp and MAC address. Sortable by creation time.