Refresh Rate Test
Check whether your monitor is actually running at 60Hz, 120Hz, 144Hz, 165Hz, or 240Hz.
Open testFree display diagnostics
Free Online Monitor Test Suite
Check the display problems that matter before a return window closes or a gaming session starts.
Dead Pixel Test
Cycle through solid colors to find dead, stuck, or bright pixels before returning a display.
Open testBacklight Bleed Test
Inspect dark-screen edge glow, IPS glow, and light leakage on LCD monitors.
Open testFPS and Frame Time Test
Measure browser FPS, frame time stability, and display smoothness in real time.
Open test