How to Use MAC Address Formatter
-
1. Enter a MAC Address
Paste or type a MAC address in any format, such as with colons, hyphens, dots, or as a raw hex string.
-
2. Choose Output Format and Casing
Select IEEE colon, hyphen, Cisco dot, or raw hex format, and choose uppercase or lowercase output.
-
3. Copy the Reformatted Address
Click Copy next to any format to save the reformatted MAC address to your clipboard.
The Technical Details
This interactive web utility provides fast, reliable, and completely private data transformations. In modern workflows, quick formatting, conversions, or estimations are essential. By running all logic entirely in your browser with client-side JavaScript, this tool guarantees that your data never leaves your machine. This approach delivers maximum performance and absolute data privacy, as no information is ever sent to a server.
Frequently Asked Questions
Which input formats are accepted?
The tool accepts colons (AA:BB:CC:DD:EE:FF), hyphens (AA-BB-CC-DD-EE-FF), Cisco dots (AABB.CCDD.EEFF), and raw hex strings.
What is the difference between IEEE and Cisco notation?
IEEE uses two-character groups separated by colons or hyphens. Cisco uses four-character groups separated by dots.
Is any data sent to a server?
No. All formatting runs in your browser; nothing is ever uploaded.
Can I look up the OUI manufacturer?
The tool displays the formatted address formats. OUI lookup (identifying the manufacturer from the first 3 bytes) is not included in this tool.