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UUID Generator

Generate cryptographically-random version-4 UUIDs one at a time or in bulk, and copy them instantly. Great for databases, APIs and testing.

Free · no sign-up Developer

Good to know

Cost. Free and unlimited. No account, no watermark, no export fee.
Your files. This one does its work inside your browser, so whatever you open never leaves your device and never reaches our servers.
Where it lives. Filed under Developer, on the Free Tools page.

What version of UUID is this?

Version 4 (random), generated with your browser’s secure random source.

Can I generate many at once?

Yes — choose how many and copy them all with one click.