DefectPX allows you to easily check for dead or defective pixels on LCD monitors. Useful to test monitors before purchasing, or during the warranty period. DefectPX comes with multi-monitor support, and a very intuitive interface. Free and open-source!

DefectPX: easily check for dead or defective pixels


  • MajorGeeks

    DefectPX permits straightforward dead, defective, or stuck pixel detection. … The interface is simple and intuitive, making it of use to any user who wants to ensure their LCD monitor is up to snuff.

  • Softpedia

    A small but very useful application which allows you to easily check for dead or defective pixels on LCD monitors.

    Cristian Sarasanu, Editor

  • News Break

    ... noticing dead pixels is not going to feel good. DefectPX can help you avoid such issues by detecting dead or stuck pixels, before or after the acquisition.

    In the news

  • Technix Update

    This small tool is completely portable and does not require any installation, so just run the program; optionally you can also download the installer which lets you install this program like any other software.

  • List of Freeware

    DefectPX is another simple application to find a dead pixel. Simply launch the application and click anywhere on the screen to change the color.

    Nishant Gola, Author

  • JeTelecharge

    Easily detect a faulty or dead pixel on an LCD screen. The tool displays a black, white, red, green, blue or whatever color you want in full screen to see a defective pixel on the LCD.

    translated from French

  • Prim hírek

    One of the diseases of LCD monitors is the pixel defect, which can be easily filtered out with this small program.

    Recommended Download
    translated from Hungarian

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