UUID Generator

Generate one or many random version-4 UUIDs using your browser’s secure random source. Options for uppercase and removing hyphens.

How to use

1. Choose how many UUIDs you need.
2. Toggle uppercase or no-hyphens if you like.
3. Click Generate and copy.

Frequently asked questions

What is a v4 UUID?

A 128-bit identifier generated from random data, used to label records uniquely with negligible chance of collision.

Are these generated privately?

Yes. They are created in your browser and never sent anywhere.

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