UUID Generator

Generate UUID v4 values with formatting options.

Generate 1 to 100 UUIDs per request.

Format Options

UUIDs are version 4. The API returns JSON with a list of generated values.

Guide

UUID Generator Guide

Generate UUID v4 values for identifiers in tests, seeds, or local development.

How It Works

  • Choose the number of UUIDs.
  • Select formatting options.
  • Copy the results into your code.

Practical Tips

  • Use lowercase for consistency in databases.
  • Include hyphens for standard UUID format.
  • Avoid using UUIDs as secrets.

FAQs

Is it UUID v4?

Yes, it generates v4 style UUIDs.

Can I remove hyphens?

Yes, toggle the hyphen option.

Are they unique?

They are randomly generated for testing.