100% in your browser · no uploads · no ad trackers
About UUID Generator
UUID Generator produces RFC 4122 version 4 UUIDs - one at a time or in bulk. Drop them straight into database seed scripts, mock API responses, or test fixtures, with cryptographic-quality randomness from the browser's `crypto` API.
Random - most common, secure.
10 UUIDs
How to use
1.Pick count.
2.Click ‘Generate’.
3.Copy UUIDs.
FAQ
Which UUID version is generated?
Version 4 (random), the most common UUID type for application IDs and database keys.
Are the UUIDs cryptographically random?
Yes - they're generated with `crypto.getRandomValues`, the same source used for cryptographic operations in the browser.
Can I generate many at once?
Yes, pick any count and the result is a clean newline-separated list ready to copy.
Is UUID Generator free?
Yes. Every tool on docsntools is 100% free with no signup, no watermarks, and no upload limits.
Are my files uploaded to a server?
No. All processing happens entirely in your browser. Your files never leave your device.
Does it work on mobile?
Yes - every tool is responsive and works in modern mobile browsers (Chrome, Safari, Firefox).