◇Free
MAC address normalizer
Normalize a 48-bit MAC address and inspect group/local bits.
Normalize a 48-bit MAC address and inspect group/local bits. Reformat a 48-bit hexadecimal MAC address into colon-separated and Cisco-style dotted forms. Inspect the first octet for multicast and locally administered flags.
How to use
- Enter your text, values, or image.
- Adjust the options and run the tool.
- Copy or download your result.
Worked example
Example input
Input: AA-BB-CC-DD-EE-FF
Example result
{
"colon": "aa:bb:cc:dd:ee:ff",
"cisco": "aabb.ccdd.eeff",
"multicast": false,
"locallyAdministered": true
}Limitations and details
Only 12 hexadecimal digits are accepted after separators are removed; the tool does not identify hardware vendors or devices.
Inputs and options
- Input
- Text
Frequently asked questions
Is this tool free and private?
Yes. All 300 tools are free in this phase. Processing happens in your browser; your input and files are not sent to our servers.