Display tests
Dead pixels, backlight bleed, burn-in, colour checks, refresh rate and motion blur for any screen.
9 tests · dark themeDead pixel test
Cycle through seven solid colours and spot stuck or dead pixels in under a minute.
FullscreenWhite screen
Full-screen white at four levels, with a timer, for pixel, uniformity and tint checks.
FullscreenBlack screen
Pure black full screen with a hidden timer: stuck pixels, OLED black, backlight glow.
FullscreenColour screen
Full-screen red, green, blue or a custom hex colour for sub-pixel and tint checks.
FullscreenBacklight bleed test
Black and two near-black greys in a dark room, with a 30-second adaptation timer.
FullscreenScreen burn-in test
Slow cycle of six solid colours that reveals ghost images, retention and burn-in.
FullscreenRefresh rate test
Measure how many frames per second the screen really shows and catch a 120 Hz panel stuck at 60.
ApproximateFPS test
Watch the frames per second your browser draws, add load and see whether the machine keeps up.
ApproximateMotion blur test
Follow a striped tile across the screen and see how much your display smears, ghosts or overshoots in motion.
Fullscreen