MAC Address Tool
Generate random MAC addresses and convert between colon, hyphen, dot, and plain formats.
Generate and format MAC addresses.
How to use
- Paste a MAC address to reformat, or click generate for a random MAC.
- Choose output format: colon, hyphen, dot, or no separator.
- Copy the formatted or generated address.
- Use for lab configs, documentation, or testing.
About MAC Address Tool
Generate and format MAC addresses.
Runs in your browser — your files and input stay on your device.
Frequently asked questions
Are generated MACs guaranteed unique?
They are random locally generated values; verify uniqueness for production use.
Is data stored?
No.
Which formats are supported?
Common separators: colon (aa:bb), hyphen (aa-bb), Cisco dot notation, and plain.