Random Mac Generator

Generate mock MAC addresses for examples, test data, network UI prototypes, and documentation.

Last updated: May 31, 2026

Generated MAC addresses are mock data. Do not use them to impersonate real devices or bypass network controls.

Count

Separator

Uppercase Locally administered Unicast only

Generate mock MAC addresses with separator, case, local-admin, and unicast options.

Client-Side Processing

Input Data Stays on Device

Instant Local Execution

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What is Random Mac Generator?

This generator creates six-octet MAC-style addresses and lets you control separators, letter case, and the first-octet local/unicast bits.

How to Use Random Mac Generator

Set how many addresses to generate.

Choose a separator style.

Toggle uppercase, locally administered, or unicast-only output.

Click Generate.

Copy the generated list.

Common Use Cases

Creating network mock data.
Testing MAC address input masks.
Writing documentation examples.
Filling device inventory prototypes.

Example Input and Output

Generate local unicast MAC addresses.

Settings

Count: 3, Separator: Colon, Uppercase, Local, Unicast

MAC addresses

A2:4F:10:8B:CC:91 - locally administered unicast mock MAC
06:19:D0:33:AF:7E - locally administered unicast mock MAC
BE:82:44:09:18:23 - locally administered unicast mock MAC

Data Privacy

MAC addresses are generated locally in your browser.

Frequently Asked Questions

Can I generate hyphen-separated MAC addresses?

Yes. Choose Hyphen as the separator.

What does locally administered mean?

It sets the local-admin bit in the first octet, which is useful for mock or virtual-device examples.

Can I copy all addresses?

Yes. The copy button copies every generated address and note.

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