MAC address changer


How to Change your MAC Address?

MAC address changer
  • Start "Smart DNS changer" and switch to "MAC address changer" tab.
  • Choose a network adapter from the drop-down menu
  • Press "Generate Random MAC address" button to generate random MAC address or enter a MAC address manually
  • Press "Apply MAC address" button to spoof your MAC address
  • Note: Some network adapters do not support spoofing MAC address, it seems spoofed but Internet connection cannot be establish (This is very rare situation and occurs on only Wi-Fi adapters) In such case you should restore original MAC address by pressing the "Restore Original MAC address" button.


What is MAC address (media access control)

Every network interface on your computer or any other networked device has its own unique MAC address. MAC addresses are most often assigned by the manufacturer of a network interface controller (NIC) and are stored in its hardware. Technically you cannot change hard-coded MAC address but you can spoof it by changing registry settings. Registry Root Path:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E972-E325-11CE-BFC1-08002bE10318}\[NIC ID] (ID is NIC (network interface controller) ID such as 0001, 0009 etc.) Registry Name:"NetworkAddress" you can change "NetworkAddress" value to XX:XX:XX:XX:XX:XX (e.g. 0D64804FE98B omit ":" ) where value of X range from 0 to 255 (Hex 0 to 0xF) If "NetworkAddress" exist in registry, windows expose this value as MAC address or NIC, otherwise it expose original (hard-coded) MAC address of NIC.

MAC address structure
see wiki page

How to change MAC address in windows 7

Changing MAC address of some network adapters may fails (especially Wi-Fi adapters). You should choose a MAC address like below format.
    X: can be 0,1,2...9 or A, B, C, D, E, F
    Y: can be 0, 2, 4, 6, 8, A, C, or E

How to change MAC address in windows 8

Same as windows 7

How to change MAC address in windows 10

Same as windows 7

Why MAC addresses are unique and what are used for

  • Tracking Devices: Like IP addresses, MAC addresses can be used for tracking you. When you connect to a public network (e.g. free Wi-Fi at Airports) Your MAC address can be seen and logged by the connected networks. When you intent to use such free Wi-Fi networks you should change your MAC address before connecting to public network.
  • Spying: Quoted from wiki "According to Edward Snowden, the National Security Agency has a system that tracks the movements of everyone in a city by monitoring the MAC addresses of their electronic devices" see wiki page
  • Static IP Assignment: Routers allow network administrators to define static IP addresses to specific computers on the network by using their MAC addresses. In this way when a computer connects to same network, it given the same IP address as always (if it has a matching MAC address).
  • MAC Address Filtering (Disallow or Allow connection): Routers has two option about filtering the MAC addresses. One "Allow MAC address list" and two "Disallow MAC address list". They cannot be used at the same time. Generally "Allow MAC address list" used for allowing devices with specific MAC addresses to connect to a network. This filtering can be bypassed using the "MAC address changer" by spoofing MAC addresses.
  • Network usage Time limitation: Many airport Wi-Fi networks and other public Wi-Fi networks might offer a limited time (let's say 20 minutes) free connection and then block your MAC address from using more connection. In this case you can use "MAC address changer" to spoof your MAC address to bypass time limitation on such networks. This is may not be enough because such networks can use other information on your computer too (such as cookies, Computer Name (Host Name) etc.)

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PLATFORMS: Minimum OS version is Windows 7+ (8, 8.1, 10, 11)

FALSE POSITIVE PROBLEM: Please keep in mind that, sometimes Anti-virus programs falsely detect my applications as harmful. Because my applications are not signed with EV code signing certificate (I DO NOT HAVE BUDGET for EV code signing certificate, it costs around 750$/year) You can support me on patreon to raise money for EV certificate. Thank you.
PROOF: I reported "false positive" and got response: "ThreatLab re-analyzed your files and based on the findings the detection was removed. The file is now marked as clean" Here is the full report

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