✓ Runs locally in your browser

Local MAC Address Generator

Create a cryptographically random locally administered unicast MAC address for testing.

Loading the local tool workspace…
About this tool

What is Local MAC Address Generator?

Local MAC Address Generator creates random locally administered unicast addresses for labs, fixtures and test data.

Three simple steps

How to use Local MAC Address Generator

  1. 01

    Choose the output separator style.

  2. 02

    Generate a new value when each test fixture needs a distinct address.

  3. 03

    Copy the generated MAC into your non-production test data.

Common questions

Local MAC Address Generator FAQ

Can I use this as a hardware vendor MAC?

No. It intentionally sets the locally administered bit and should be used for testing or controlled local configurations.

Is Local MAC Address Generator private to use?

Yes. Address and network calculations use only the values entered in your browser and do not probe external systems.