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Random MAC Generator

Create random MAC addresses with a valid locally administered unicast first byte.

Generate random MAC addresses

Addresses: 0
Every address is unicast and locally administered.

How to use the Random MAC Generator

  1. Choose the MAC notation and the letter case.
  2. Set how many addresses you need and pick an export format.
  3. Click Generate, then copy the addresses.

Features

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Frequently Asked Questions

Common questions about the free online random mac generator.

A MAC address is a 48 bit hardware identifier written as six hexadecimal pairs, usually separated by colons.
No. They are random test values that are not tied to any real device, so they are fake and not real personal information.
The first byte marks the address as locally administered and unicast, so it is safe for virtual adapters.
You can output colon separated, hyphen separated or Cisco dotted notation such as aabb.ccdd.eeff.
You can assign them to virtual machines and test networks, but avoid clashing with addresses already in use.
Yes. Switch the case selector and every hexadecimal digit is converted to the style you pick.
Up to 500 addresses per click, exported as plain text, CSV, JSON or SQL rows.
No. The generator uses the secure random source in your browser and never sends data anywhere.

Last updated: October 10, 2026