A free, web-based utility suite designed to test your computer hardware and peripherals instantly without installing any software.
Cost / License
- Free
- Proprietary
Platforms
- Online




Screentest is described as 'Program for testing the quality of CRT/LCD screens. It displays various patterns and allows you to estimate the quality of your CRT/LCD monitor' and is an app in the system & hardware category. There are nine alternatives to Screentest for a variety of platforms, including Windows, Web-based, Android, Android Tablet and BSD apps. The best Screentest alternative is HardwareTest, which is free. Other great apps like Screentest are InjuredPixels, Nokia Monitor Test, Auditor of dead pixel and EIZO Monitor Test.
A free, web-based utility suite designed to test your computer hardware and peripherals instantly without installing any software.




Easily check your PC, laptop, tablet, smartphone, connected screen or TV for dead pixels, scratches or defects. Test in the store, before buying, or during the warranty period, and get a replacement. Tiny, free and open source, no ads or permissions.




Nokia Monitor Test is a freeware utility to help test and adjust a monitor for an optimum display.

Auditor of dead pixel is a small and very easy to use application that will help you find dead pixels on your TFT / LCD monitor.

The EIZO monitor test lets you quickly and easily assess your monitor’s image quality. You can carry out 13 individual tests to check how uniform the image display is across the entire monitor, for example, or if the text is displayed sharply.
lcdtest is a utility to display LCD monitor test patterns. It may be useful for adjusting the pixel clock frequency and phase on LCD monitors when using analogue inputs, and for finding pixels that are stuck on or off.



Dead Pixel Buddy is a small, standalone, web tool designed to helps you detect dead pixels on LCD screens.


ScreenReact displays patterns to test the picture of your LCD. E.g. contrast, sharpness...

Dead Pixel Tester program detects dead pixels on computer screens by filling the screen with a color and searching for pixels not displaying that color, indicating a defect.
