Format a MAC
mac = 00:1A:2B:3C:4D:5E
Result: Colon: 00:1a:2b:3c:4d:5e, Dash: 00-1a-2b-3c-4d-5e
MAC Address Formatter
Enter a MAC address to see it formatted in colon-separated, dash-separated, dot-separated, uppercase, and no-separator formats. Also looks up the OUI vendor prefix.
Enter your values and press Calculate — the result appears here.
Worked examples
Frequently asked questions
What is an OUI?
Organizationally Unique Identifier - the first 24 bits (3 bytes) of a MAC address, assigned by IEEE to manufacturers.
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