What is this tool?
UUIDs are 128-bit identifiers used for database records, distributed systems, test fixtures, and application objects.
How to use it
Generate a fresh batch and copy the values into your application or test data.
Privacy
This tool is designed to process your input locally in the browser. Avoid entering passwords, private keys, or other sensitive production data into any online tool.
Frequently asked questions
Are UUID v4 values guaranteed unique?
No finite random identifier is absolutely guaranteed unique, but collisions are extremely unlikely.
Where are UUIDs generated?
They are generated locally using the browser crypto API.