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

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.

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