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

Test for dead, stuck, or defective pixels

Just change a few colors and test. Test monitors before purchasing. Test screens during the warranty period. Test Anytime and Anywhere.

Primary and custom colors
Mouse and keyboard shortcuts
Portable, no installation required
Multi-monitor support
Very intuitive interface
Free and open-source
DefectPX Screenshot

What others are saying

  • 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

    Save both money and time by taking advantage of this lightweight application capable to detect dead or stuck 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

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