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UUID generator

Generate random v4 UUIDs in bulk.

How to use

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Generate UUIDs.

Available in: PortuguêsEspañolEnglish

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UUID generator: what it is for

The UUID generator creates universally unique identifiers in version 4, random and practically impossible to repeat.

Generate several at once, in uppercase or lowercase, with or without hyphens.

How to use

  1. Choose the amount.
  2. Adjust the format.
  3. Copy the UUIDs.

When to use it

  • Database keys.
  • Test identifiers.
  • File and session IDs.

Frequently asked questions

Is it really free?

Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.

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The tools are provided as is, without warranty. We are not responsible for the results or for how they are used.