100% Client-side

UUID Generator

Generate cryptographically secure UUID v4 identifiers in bulk, right in your browser.

How many

FAQ

What version of UUID is this?

UUID v4 (random), generated with the browser's cryptographically secure crypto.randomUUID().

Are they unique?

Yes. v4 UUIDs are random with negligible collision probability, suitable for IDs and keys.

Is anything sent to a server?

No. UUIDs are generated on your device. Nothing is uploaded.