UUID v4 Generator
Generate RFC-compatible random UUID v4 values for test data, database records, and application identifiers.
How to use
- Click Generate UUID.
- Copy the identifier into test data or a record.
- Generate a new value whenever you need another identifier.
About this tool
Generate RFC-compatible random UUID v4 values for test data, database records, and application identifiers.
Frequently asked questions
Can a UUID be used as a secret token?
Do not rely on a UUID alone as an authentication secret. Use a purpose-built secure token and appropriate access controls.
When should I use it?
Use this free tool when you need a quick, repeatable result without installing software. Check important results before using them in production work.