UUID Generator

Generate UUIDs (Universally Unique Identifiers) in various formats. Support for UUID v1, v3, v4, v5, and v6 with configurable options for namespaces, names, and output formats.

UUID Options

UUID Version

UUID Count

Output Format

Uppercase

Include Braces

Include Hyphens

Examples

Tips

• Version 1 uses timestamp and MAC address for uniqueness
• Version 3 uses MD5 hash of namespace + name
• Version 4 uses cryptographically secure random numbers
• Version 5 uses SHA-1 hash of namespace + name
• Version 6 is time-ordered for better database performance
• Use standard namespaces like DNS, URL, or OID
• Choose format based on your application requirements