Features

• Generate UUID v1 (timestamp-based)
• Generate UUID v3 (namespace MD5)
• Generate UUID v4 (random)
• Generate UUID v5 (namespace SHA-1)
• Generate UUID v6 (time-ordered)
• Generate UUID v7 (Unix timestamp)
• Generate NIL UUID (all zeros)
• Bulk generation (up to 1000)
• Multiple output formats
• UUID validation and version detection

Privacy

All UUID generation and validation happens entirely in your browser using the Web Crypto API and the standard uuid library. No data is sent to any servers.

Standards

This tool implements RFC 4122 and RFC 9562 standards for UUID generation and validation.