UUID Generator: What is UUID and How to Generate Unique Identifiers
UUID (Universally Unique Identifier) is a standardized unique identifier format widely used in software development.
UUID Versions
UUID v4: Random-based, most common. Approximately 5.3×10³⁶ possible values.
UUID v1: Time-based with MAC address, traceable to generation time.
UUID v5: Name-based, same input produces same UUID.
UUID Format
32 hexadecimal digits in 5 groups: 8-4-4-4-12
Example: 550e8400-e29b-41d4-a716-446655440000