Runs locally
MAC Formatter
Normalize a MAC address to colon groups.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
Export and import are available after you sign in. Sign in
Normalize a MAC address to colon groups. Runs in the browser. Nothing is uploaded.
About this tool
Clean up MAC addresses from router pages, DHCP leases or inventory sheets. Paste any form, such as aabbccddeeff or AA-BB-CC-DD-EE-FF, and get AA:BB:CC:DD:EE:FF.
How to use it
- 01
Paste the MAC address.
- 02
Read the normalized colon form.
- 03
Copy it into your config or inventory.
FAQ
Frequently asked questions
Which input formats are accepted?
Twelve hex digits with or without colons, dashes or dots between them.
Does it look up the vendor?
No. It only formats the address; no lookup is made.