UUID Generator
Generate one or hundreds of random v4 UUIDs instantly online, for free. Perfect for database primary keys, session tokens, and API request IDs.
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Frequently asked questions
What is UUID Generator?+
Generate one or hundreds of v4 UUIDs instantly — no libraries needed.
How do I use UUID Generator?+
Cryptographically random — collisions are statistically impossible. Use as database primary keys, session tokens, or request IDs. Generate up to 100 at once and copy them all in one click. Runs entirely in the browser using the native crypto API
Is UUID Generator free?+
Yes, UUID Generator is completely free. No account or sign-up required, and all processing happens in your browser — nothing is sent to a server.
Is my data safe when I use UUID Generator?+
Yes. UUID Generator runs entirely in your browser using JavaScript and Web APIs — your input is never uploaded, transmitted, or stored on any server.