How to find out who is using your WiFi Wireless Network

Do you suspect that someone is wrongfully using or stealing your WiFi or wireless network connection? Maybe your WiFi connection is slow these days and you suspect that someone has hacked into it. Well, there are several free tools available which can help you detect who is using your WiFi Internet connection illegally. Use this free software to know, see, tell, find out if someone is using or stealing your WiFi network when using Windows. I am covering three tools here, but if you know of any more, please do share below in the comments.

Who is using my WiFi connection

who is using your WiFi

Wireless Network Watcher is the 3rd new tool released by Nirsoft, this month. It is a small utility that scans your wireless network and displays the list of all computers and devices that are currently connected to your network.

It will display the following information for each connection:

  1. IP address
  2. MAC address
  3. Manufacturer of the network card
  4. Computer name
  5. Device Name.

The tool also allows you to export the list of connected devices and save it as an html,xml, csv or a text file. You can download this tool from

Zamzom Wireless Network Tool is another utility for sniffing if someone else is using your wireless network.

Who is using my WiFi connection

Zamzom lets you see all  the users that are using your wireless network. There are two scan options, but only the Fast Scan is available in the free version, but that should be good enough for most, I suppose. Once the scan is completed, it displays the IP address and MAC address. It is available here for download.

Who Is On My WiFi is another good freeware you may want to check out.

If you have the question – Who is using my WiFi connection, then Who Is On My WiFi will help you answer this question. Cyber Criminals could misuse you WiFi connection to carry out illegal activities, and so it becomes imperative that you keep a watch on your WiFi connection.

How to secure Wireless Network Security keys in Windows may also interest you.

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Anand Khanse is the Admin of, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.