UUID Generator Online

Create random UUID v4 identifiers for databases, API payloads, fixtures, tests and prototypes. Everything runs locally in your browser.

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When should you use a UUID?

UUIDs are useful when you need unique identifiers without relying on a central sequence, especially in distributed systems, imports, logs and test datasets.

Is this UUID generator private?

Yes. The identifiers are generated locally and are never sent to UtilityBro servers.

What UUID version does it generate?

This tool generates UUID v4 values using the browser crypto API when available.