SAFE
Free Security tool

UUID Generator

Generate RFC 4122 version 4 UUIDs locally.

Private by design

The working input is processed in this browser and is not stored by 247888.

About this tool

What does UUID Generator do?

Generate RFC 4122 version 4 UUIDs locally. The workspace keeps the input and result together, making it easy to check the change before you use it elsewhere.

For example, you can generate RFC 4122 version 4 UUIDs locally when preparing a development or deployment value.

What you can control

UUID Generator stays deliberately simple: add the how many, run the tool, and review the result.

How to use UUID Generator

  1. 1

    Enter the how many carefully and check that the unit or format is correct.

  2. 2

    Review the how many and correct anything you do not want carried into the result.

  3. 3

    Run UUID Generator, review the output, then copy or download it where available.

Tips for a better result

  • Compare the UUID Generator output with a known-good value when the result affects a real system.
  • Read the complete result rather than relying on the first line or preview alone.
  • Do not treat inspection or encoding as verification, encryption or permission to trust the source.

Frequently asked questions

Is my input private when I use UUID Generator?+

UUID Generator processes the value locally in this browser. Use a trusted device and never paste a secret if the surrounding system may be compromised.

What should I check after using UUID Generator?+

Do not treat inspection or encoding as verification, encryption or permission to trust the source.

Try “make image smaller”, “jpg into pdf”, “pretty json” or “count my words”.