How to use this tool
- Choose Generate UUID; no input is required.
- Copy the generated identifier.
- Generate again whenever you need another value.
Example
Example format: 550e8400-e29b-41d4-a716-446655440000
What to know
UUID v4 uses random bits. Collisions are extremely unlikely, but uniqueness is not an absolute guarantee. Enforce uniqueness where your application requires it.
Frequently asked questions
Where does the randomness come from?
The tool uses the browser’s cryptographic random-number generator and sets the UUID version and variant bits.
Is a UUID a password?
A UUID is an identifier. Use a purpose-built secret or token generator for authentication credentials.