UUID Generator

Generate random version 4 UUIDs in bulk.

Runs in your browser

How many Uppercase Hyphens {Braces}

0 UUID (v4) · 0 B

How to use UUID Generator

Choose how many.

Pick a format.

Copy them all.

Frequently asked questions

Are these UUIDs truly unique?

Version 4 UUIDs have 122 random bits; a collision is practically impossible.

About this tool

Create unique IDs for databases and tests using your browser's cryptographic random generator.

UUID Generator runs entirely in your web browser. Your data are processed on your own device and are never uploaded to our servers, which makes it safe for personal and business files.