All toolsDisplayResponse TimeFor desktopClassic UFO test to spot ghosting, overshoot and motion blur.Results stay on your deviceLoading tool…Previous toolRefresh RateNext toolColor & GammaMore to exploreAll display toolsDead Pixel TestFind stuck or dead pixelsBacklight BleedSpot bleed, glow, and dirtRefresh RateMeasure your display Hz with frame-time chart & motion test