Scan, find and troubleshoot wireless networks.

WiFi Explorer is a wireless networks scanner tool to quickly identify channel conflicts, signal overlapping or configuration problems that may be affecting the connectivity and performance of your home or office wireless network.

Download WiFi Explorer on the Mac App Store

WiFi Explorer


  • Easy-to-use, intuitive user interface
  • Graphical visualization of the wifi environment
  • Works with 802.11a/b/g/n/ac wireless networks
  • Supports 2.4 GHz and 5 GHz frequency bands as well as 20, 40, 80 and 160 MHz channels
  • Signal quality estimations based on signal-to-noise ratio (SNR)
  • Accurate conversion from dBm to percentage (%) for easier analysis and optimization
  • Export metrics and network details to CSV file format
  • Full screen mode (10.7 or above)
  • Selectable columns
  • Editable column for annotations, comments, etc.
  • Comprehensive help
  • Runs in Snow Leopard, Lion and Mountain Lion


Learn More

To learn more about how to use WiFi Explorer, read Troubleshooting wireless networks with WiFi Explorer.

Release Notes

Version 1.5

June 26th, 2013

  • Fixes channel numbering and width for 802.11ac networks
  • Fixes memory leak
  • Fixes issue with checkbox in networks table
  • Updated vendors database

Version 1.4.1

May 1st, 2013

  • Fixed issue that would cause the "Export" menu item to be always disabled
  • Annotations can now be displayed under network name in channels graphs

Version 1.4

April 18th, 2013

  • Fixes channel graph shapes to represent more accurately the spectral signature of the wireless network modulation type (see FAQ section in Help for more information)
  • Resolves an issue that could cause 100% CPU usage when clicking "Stop"
  • Selectable columns (see Advanced tab in Preferences)
  • Editable column for annotations, comments (see Advanced tab in Preferences)
  • Keyboard shortcuts
  • Other minor fixes and UI tweaks

Version 1.3.5

January 22nd, 2013

    Fixes problems introduced after changes made in the previous version, in particular
  • Application crashing in Snow Leopard
  • Incorrect raw/avg/max/min signal strength and noise estimations for associated networks

Version 1.3.4

January 16th, 2013

  • Fixes filtering by SSID when it includes numeric values
  • Fixes networks with the same BSSID but different frequency band being categorized as duplicates
  • Fixes sort order of columns not being remembered after closing and opening the application
  • Fixes signal strength and noise values inconsistencies when compared to related app WiFi Signal
  • Incorporates a new comprehensive Help
  • Updates vendors database

Version 1.3.3

October 26th, 2012

  • Fixes an issue where associated networks configured as "hidden" were not being displayed in Snow Leopard

Version 1.3.2

October 18th, 2012

  • Fixed a problem where app would not find any networks in the 5GHz band, or any networks in the 5GHz band using a DFS channel (52-140)
  • Fixed a problem where after changing the SSID of a network, an old entry would persist resulting in two networks with the same BSSID but different SSID
  • Fixed multiple stability issues introduced in recent versions of the app
  • Updated vendors database

Version 1.3.1

July 26th, 2012

  • Fixed crash when no supported Wi-Fi interfaces are found
  • Fixed crash when retrieving information from associated network if network is hidden
  • Updated vendors database
  • Added Spanish localization
  • Ready for Mac OS X Mountain Lion

Version 1.3

June 8th, 2012

  • New filter controls
  • Updated vendors database
  • Other minor fixes

Version 1.2.3

April 19th, 2012

  • Fixed incorrect network mode detection
  • Lion's full-screen mode is now supported
  • Column reordering is now supported
  • Added SNR plot to Network Details tab
  • Adjusted UI to support lower resolution screens
  • Other UI fixes

Version 1.2.2

April 7th, 2012

  • Added ability to show which network the user is connected to
  • Added ability to detect hidden networks when associated
  • Fixed incorrect encryption detection
  • Fixed incorrect network mode detection
  • Fixed spectrum "heat bar" for 40 MHz channels

Version 1.2.1

February 17th, 2012

  • Fixed a bug that would prevent the app from finding any networks if Wi-Fi is on but not associated to any network
  • Included supported encryption algorithms, data rates and some other additional information about the network in the export function

Version 1.2

February 15th, 2012

  • Set to automatically start scan after opening
  • Added graphical signal level indicator in table
  • New information tab showing network details
  • Detection of mixed modes (e.g. 802.11b/g/n, 802.11g/n) - Lion only

Version 1.1

January 24th, 2012

  • App preferences: ability to set scan sensitivity, time interval for deletion of out-of-range networks, hide ad-hoc and/or secure networks, and to start scanning automatically after opening
  • Added support to determine if wireless router's or AP's WPS (Wi-Fi Protected Setup) capabilities are enabled

Version 1.0

January 17th, 2012