Technitium FREE MAC Address Changer v5 Released

Outsmart Malicious Hackers

Technitium MAC Address Changer allows you to change Media Access Control (MAC) Address of your Network Interface Card (NIC) irrespective to your NIC manufacturer or its driver. It has a very simple user interface and provides ample information regarding each NIC in the machine. Every NIC has a MAC address hard coded in its circuit by the manufacturer. This hard coded MAC address is used by windows drivers to access Ethernet Network (LAN). This tool can set a new MAC address to your NIC, bypassing the original hard coded MAC address. Technitium MAC Address Changer is a must have tool in every security professionals tool box. Technitium MAC Address Changer is coded in Visual Basic 6.0.


  • Support for Windows Vista SP1 and Windows Server 2008 added.
  • Allows you to remove all registry entries corresponding to Network Adapter that is no longer physically installed on the system.
  • Allows you to configure Internet Explorer HTTP proxy settings through configuration presets or command line.
  • Issues with installer program resolved. (Thanks to all your feedbacks)
  • Identifies the preset applied to currently selected Network Interface Card (NIC) automatically making it easy to identify settings.
  • Most known issues with Windows Vista removed. (Thanks to all your feedbacks)
  • Changes MAC address of Network Interface Card (NIC) including Wireless LAN Cards, irrespective of its manufacturer or its drivers.
  • Has latest list of all known manufacturers (with corporate addresses) to choose from. You can also enter any MAC address and know which manufacturer it belongs to.
  • Allows you to select random MAC address from the list of manufacturers by just clicking a button.
  • Restarts your NIC automatically to apply MAC address changes instantaneously.
  • Allows you to create Configuration Presets, which saves all your NIC settings and makes it very simple to switch between many settings in just a click and hence saves lot of time.
  • Allows you to Import or Export Configuration Presets to or from another file, which saves lot of time spent in reconfiguration.
  • Allows you to load any Configuration Presets when TMAC starts by just double clicking on any Configuration Preset File. (*.cpf file extension)
  • Has command line interface which allows you to perform all the tasks from the command prompt or you can even create a DOS batch program to carry out regular tasks. (see help for command line parameter details)
  • Allows you to export a detailed text report for all the network connections.
  • Displays all information you would ever need to know about your NIC in one view like Device Name, Configuration ID, Hardware ID, Connection Status, Link Speed, DHCP details, TCP/IP details etc.

You can download Technitium v5 here:


Or read more here.

Posted in: Networking Hacking, Security Software

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5 Responses to Technitium FREE MAC Address Changer v5 Released

  1. Bogwitch June 20, 2008 at 11:15 am #

    It is nice to see a useful tool undergo rapid development, particularly a free one!
    Most of the updates to v5 are for Vista and the fixing of installer issues but that does not detract from the usefulness of this tool.

    Thanks Technitium!

  2. Navin June 20, 2008 at 6:36 pm #

    I agree bogwitch… My first technitium was V3.1 if I remember right before which I used SMAC (which became a paid software)….I think tht this software is also coded by Indians……thnx!! I’m on XP right now so I can’t say abt functionality in Vista

  3. Sleepy June 21, 2008 at 5:38 pm #

    Was first pointed to technitium here on darknet, It’s a great tool for free. I dl’d this one right away, I’ll defiantly be running it through the tests in the lab come Monday. Thanks technitium, and big thanks Darknet, since I have started coming to this site my “testing” folder is never empty!

  4. Sleepy June 23, 2008 at 9:43 pm #

    Tried it out in the lab today, works like it should. While I was messing with it I had a thought; If I were to flood a switch with packets containing a different mac each time, the switch would broadcast for each of them basically resulting in a DoS attack, is that right? (I’, a computer forensics student and lab tech, this is purely an academic question).

  5. Shreyas Zare May 21, 2009 at 11:47 am #

    Technitium MAC Address Changer v5 Release 2 is out for Microsoft Windows 7 RC. Get it at