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dashutils

UUID Generator

Generate one or thousands of UUIDs using the browser's cryptographically secure random number generator. Choose random v4 or time-ordered v7, and the output format.

  • Free, no sign-up
  • Runs locally in your browser
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Your files are processed on this device and are never uploaded to a server.

How to use the UUID Generator

  1. 1

    Choose the version, count and format.

  2. 2

    Click Generate.

  3. 3

    Copy or download the list.

v4 or v7?

v4 is fully random. v7 starts with a millisecond timestamp, so values sort in creation order, which keeps database indexes efficient.

Frequently asked questions

Is my data sent to a server?

No. Everything runs in your browser as you type. Nothing is uploaded or logged, so it is safe to paste API responses, tokens and private text.