UUID Generator

Generate random UUIDs (v4) instantly, one or many at once. — free, fast and private.

How to use UUID Generator

  1. Choose how many UUIDs you need: 1, 5 or 10.
  2. Click Generate UUIDs.
  3. Copy the UUIDs or download them as a text file.

Note: this tool runs in your browser. Nothing is uploaded.

Frequently Asked Questions

What is a UUID?

A Universally Unique Identifier is a 128-bit label such as 550e8400-e29b-41d4-a716-446655440000, used to identify records, files and database rows without collisions.

Are these UUIDs version 4?

Yes. They are random version 4 UUIDs, generated with crypto.randomUUID() where available, with a secure fallback.

Is my data uploaded to a server?

No. This tool runs entirely in your browser and your input is never uploaded to a server.

Can I use this tool on my phone?

Yes, the tool is fully mobile-friendly and works in any modern browser.