UUID Generator Online | Unique Identifier Generator
Generate universally unique identifiers (UUIDs) in multiple versions and formats. Perfect for database keys, API identifiers, and unique resource naming.
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About UUID Generator
Generate universally unique identifiers (UUIDs) in multiple versions and formats. Perfect for database keys, API identifiers, and unique resource naming in software development.
Key Features
- Multiple UUID versions support (v1 timestamp-based, v4 random, nil)
- Bulk generation with configurable quantity (1-100 UUIDs)
- Multiple output formats (standard, uppercase, no-hyphens, braces)
- Custom prefix and suffix support for branded identifiers
- Auto-generation on settings change for rapid prototyping
- Individual and bulk copy functionality for easy use
- Download generated UUIDs as text files for batch processing
- Auto-save functionality for Pro users with cross-device sync
Use Cases
- Database primary keys and unique identifiers for records
- API resource identifiers and request tracking tokens
- File naming and version control for unique file identification
- Session management and user authentication tokens
- Microservices communication and distributed system IDs
- Testing and development with unique test data identifiers
Supported Formats
Related Keywords
UUID Standards
This tool generates UUIDs following RFC 4122 standards. Version 4 UUIDs are cryptographically random and suitable for most applications. Version 1 UUIDs include timestamp information but may reveal system details.
Privacy & Security
All processing happens locally in your browser. Your data never leaves your computer, ensuring complete privacy and security.
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