MAC Address Formatter β colon, hyphen, Cisco
Reformat a MAC address into colon, hyphen, Cisco dot and bare forms in upper or lower case.
π Runs entirely in your browser. Your input and output are never sent to a server or stored β fully private.
Click any value to copy. Accepts colon, hyphen, dot (Cisco) or no separator.
About this tool
This MAC address formatter rewrites a hardware (MAC) address into every common style β colon-separated (00:1A:2B:3C:4D:5E), hyphen-separated, Cisco dotted (001a.2b3c.4d5e) and bare with no separators β in either upper or lower case. Paste an address in any format and copy it in the exact form your switch, script or documentation expects, all in your browser.
Frequently asked questions
What are the different MAC address formats?
The same six bytes can be written several ways: colon-separated (00:1A:2B:3C:4D:5E) and hyphen-separated (00-1A-2B-3C-4D-5E) are the most common, Cisco equipment uses three dot-separated groups (001a.2b3c.4d5e), and some tools want the twelve hex digits with no separators at all.
Does reformatting change the address?
No. Only the separators and the letter case change; the twelve hexadecimal digits β and therefore the actual hardware address β stay exactly the same, so every format identifies the very same network interface.
Is my data sent anywhere?
No. Reformatting is a text operation that runs entirely in your browser, so the MAC addresses you paste are never sent to or stored on a server.