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Preview of MAC Address Formatter

MAC Address Formatter by misty

Validate and normalize manually entered MAC addresses into colon, dash, Cisco, or plain hexadecimal formats.

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About this extension
Validate and normalize MAC addresses entered into the Firefox popup. Process one address per line and convert valid rows to colon, dash, Cisco, or plain hexadecimal notation.
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Permissions and data

Required permissions:

  • Input data to the clipboard

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
1.0.0
Size
18.36 KB
Last updated
22 days ago (Oct 10, 2026)
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