UUID Generator

How it works

1. Step · 01

   Choose how many UUID v4 identifiers you need — 1 to 1000.

2. Step · 02

   IDs are generated in your browser using crypto.randomUUID (RFC 4122 v4).

3. Step · 03

   Copy them individually, copy all, or download them as a .txt file.

Frequently asked questions

Which UUID version is this?

Version 4 — randomly generated per RFC 4122, using the Web Crypto API's crypto.randomUUID.

Can I get UUIDs without hyphens?

Yes — tick 'Remove hyphens' for the 32-character compact form used by some database columns.

Are my files uploaded to a server?

No. Files are processed directly in your browser using JavaScript and WebAssembly. Nothing is uploaded to our servers, so your documents never leave your device.

Does it work on mobile?

Yes. The tools run in any modern browser on desktop, tablet, or mobile (Chrome, Edge, Safari, Firefox). Very large files may be slower on low-end phones.

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