Generate random v4 UUIDs

Create standards-compliant version 4 UUIDs for database keys, test data and identifiers — several at a time.

How to use the UUID Generator tool

  1. 1Open the UUID generator.
  2. 2Click Generate to create a batch of UUIDs.
  3. 3Copy the ones you need.

Good to know

  • UUIDs are generated in your browser with a cryptographically secure random source.
  • Every UUID follows the RFC 4122 version 4 format.

Frequently asked questions

Is a GUID the same as a UUID?

Yes. GUID is Microsoft's name for the same 128-bit identifier format.

Can two v4 UUIDs collide?

In practice, no. There are 2¹²² possible values, so a collision is astronomically unlikely.

Should I use UUIDs as passwords?

No. Use the Password Generator for secrets.