Need one UUID for a config file, or fifty for seed data? Our UUID Generator handles both without asking you to click “generate” fifty times.
- Native and secure — built on
crypto.randomUUID(), the browser’s own cryptographically secure random UUID method. No library, no hand-rolled bit-twiddling. - Bulk generation — set a quantity from 1 to 100 and get every UUID on its own line, ready to paste into a spreadsheet, a seed script, or a test fixture.
- Uppercase option — UUIDs are lowercase hex by spec and by default here, but some codebases expect uppercase, so it’s one checkbox away.
- Copy all, regenerate — one click copies the whole list; another throws it away and generates a fresh batch.
Every UUID is version 4 — randomly generated, not derived from a timestamp or MAC address the way version 1 is — and with 122 random bits per ID, the odds of a collision are astronomically small. Try it out, and if you need it inside your own admin tool or docs site, it’s embeddable with one iframe.