UUID/GUID Generator
UUID Generation Settings
Generated UUID
Click "Generate" to create a UUID
Batch Generation
Recent UUIDs (Last 10)
No UUIDs generated yet. Click "Generate UUID" to start.
About UUID Generator
Professional UUID (Universally Unique Identifier) generator supporting multiple versions including UUID v1, v4, and v5 with cryptographically secure randomness and standards compliance. All processing happens locally in your browser for privacy.
UUIDs are essential for unique identification in distributed systems, databases, and applications. This tool serves developers, database administrators, and system architects requiring guaranteed unique identifiers.
- Multiple Versions: Generate UUID v1 (time-based), v4 (random), and v5 (namespace-based) identifiers
- Standards Compliance: RFC 4122 compliant generation with proper formatting
- Cryptographic Security: Uses Web Crypto API for secure random number generation
- Batch Generation: Create multiple UUIDs simultaneously for bulk operations
- Format Options: Output in standard, compact, or custom formats for different use cases
Security Notice
This tool generates cryptographically secure UUIDs using your browser's built-in security features. All generation happens locally - no data is sent to servers.