UUID Generator
Free UUID generator - create UUIDv4, validate UUIDs and generate up to 1000 in batch mode. Unlimited usage for developers.
About this tool
UUID Generator is a free online tool that creates unique identifiers (UUIDs) in different formats. UUIDs are essential for database developers, system administrators, and anyone working with distributed systems. Whether you need UUID v1, v4, or v5, this tool generates them instantly. Each UUID is completely random and globally unique, perfect for creating primary keys, tracking identifiers, or session tokens. All processing happens in your browser - nothing is sent to any server.
How to use
- 1Click on the "Generate UUID" button to create a new unique identifier
- 2The tool generates random UUIDs in the standard format (e.g., 550e8400-e29b-41d4-a716-446655440000)
- 3You can select different UUID versions (v1, v4, v5) depending on your needs
- 4The generated UUID appears instantly and can be copied to clipboard
- 5Generate as many UUIDs as you need - completely free and unlimited
Specifications and limits
Generates UUID v1, v4, and v5 formats. UUID v1 is time-based, v4 is random, v5 is name-based with SHA-1. Each UUID is globally unique and follows RFC 4122 standard. No file size limits.