WhoDNS

UUID v4 Generator

Generate standard random unique identifiers (UUID v4) using the browser secure RNG.

Frequently Asked Questions

What is a UUID and where is it used?
A 128-bit, practically unique identifier generated without central coordination; used for record keys, file names and transaction IDs.
What does version 4 mean?
UUID v4 is generated entirely at random (unlike time- or MAC-based versions) and is the most common type for general use.