LCD Dead Pixel Checker
Detect dead, stuck, or hot pixels on your monitor by cycling through solid colors in fullscreen mode. Look for any dots that don't change.
Checking: Black
infoClick anywhere or press → to cycle colors · ESC to exit
circle
Dead Pixels
Stay black no matter what color is displayed. They're permanently off.
brightness_1
Stuck Pixels
Stuck on one color (red, green, or blue) and never change.
flare
Hot Pixels
Always white/bright, even on a black screen.