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Preview of OUI Lookup Tool

OUI Lookup Tool by Franzilla

Quickly lookup MAC address vendors using OUI database. Works offline as well with a refresh icon to download the latest OUI's when online.

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About this extension
Quickly lookup MAC address vendors using the OUI (Organizationally Unique Identifier) database. Perfect for network administrators, security professionals, and IT enthusiasts. Simply enter any MAC address and instantly discover the manufacturer. Easy to use, lightning fast, and features a modern dark interface. Works offline as well with a refresh icon to download the latest OUI's when online.
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Permissions and data

Optional permissions:

  • Access your data for api.macvendors.com
  • Access your data for api.maclookup.app
  • Access your data for standards-oui.ieee.org

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Version
2.0
Size
16.39 KB
Last updated
a month ago (Nov 13, 2025)
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