UUID Generator
Generates a random version-4 UUID (universally unique identifier), suitable for database keys, test fixtures, or unique reference IDs. Generated locally in your browser using the Web Crypto API. It is never sent to a server, never logged, and never included in analytics.
How to use this tool
- Press generate to create a new UUID.
- Copy it with one tap.
Common use cases
- Generating a unique ID for testing or development
- Creating placeholder database keys
- Any use case needing a unique random identifier