UUID Generator

Generate random version 4 UUIDs, or time-ordered version 7 UUIDs, one at a time or up to 1,000 at once.

Runs in your browser. Files are not uploaded.

How to use

  1. Choose the version and how many.
  2. Copy or download the list.

Questions

Version 4 or version 7?

Version 4 is fully random. Version 7 starts with a timestamp, so new IDs sort after old ones, which suits database keys.

Are they unique?

They use your browser's secure random number generator. The chance of a repeat is negligible.

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