UUID Generator
Generate cryptographically-random version 4 UUIDs, one or many at a time, using your browser's built-in crypto.
How it works
- Pick how many you need — 1 to 25.
- Click Generate for a fresh batch.
- Copy the UUIDs from the output box.
Frequently asked questions
Are these random enough to use?
Yes — they use crypto.randomUUID(), the browser's cryptographically-secure random source.
Is anything sent to a server?
No — UUIDs are generated entirely in your browser.
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