How to use
- Use the input controls to provide the content or file.
- Adjust options if available, then run the tool.
- Review the result and copy or download it.
Analyze a MAC address locally for format, unicast or multicast, and universal or locally administered bits. No vendor lookup is claimed.
For browser-processed tools, your data stays in this browser. The Public IP Checker is the exception and clearly discloses its provider.