UUID generator

Generate random UUIDs in bulk — v4, NIL or a time-based v1-style. Choose how many, toggle uppercase and hyphens, copy all at once. Nothing is uploaded.

Version

How many5

Uppercase Hyphens

UUIDs

Everything runs in your browser. No upload, no sign-up.

How it works

STEP 1

Pick a version

Choose v4 (random), NIL (all zeros), or a time-based v1-style UUID.

STEP 2

Set the options

Choose how many (1–100), and toggle uppercase and hyphens to taste.

STEP 3

Copy

Copy them all in one click, or copy a single one. Everything stays on your device.