V13 ToolsTOOLS
dev

UUID Generator

DEVFREE · NO SIGNUP

Generate v4 universally unique identifiers

UUID Generator creates version 4 universally unique identifiers — random IDs you can use for database keys, API requests or test data. Generation happens in your browser, so nothing is sent to a server.

How to use UUID Generator

  1. 01Choose how many UUIDs you want.
  2. 02Generate them with one click.
  3. 03Copy a single value or the whole list.

Frequently asked questions

What is a v4 UUID?
A 128-bit identifier generated from random data, designed to be unique without a central authority.
Are the UUIDs sent anywhere?
No. They are generated locally in your browser and never leave your device.
Can I generate many at once?
Yes. Produce a batch of UUIDs and copy them together.
Is it free?
Yes, free with no sign-up.
● client-side● no upload● privacy-safe
dev › uuid