Twenty free, browser-based tests covering every aspect of your display — colour, motion, and panel quality. No download, no sign-up. Start with the dead pixel test or pick a test below.
Calibration
→Guided visual calibration for brightness, contrast, gamma and colour
Colour Accuracy
→Judge hue, saturation and grey balance on solid fields
Colour Temperature
→Check for a warm or cool white point
White Balance
→Neutralise tinted greys and whites
Gamma
→Verify the 2.2 midtone brightness curve
Brightness
→Peak nits, APL dimming and uniformity
Contrast
→Black levels and contrast ratio
Backlight Bleed
→Edge and corner light leak vs IPS glow
Uniformity
→Brightness and colour evenness across the panel
Clouding
→Cloudy patches on dark backgrounds
Burn-In
→OLED image retention check
Viewing Angle
→Colour and brightness shift off-axis
Pixel Grid
→Subpixel layout and screen-door effect
Convergence
→Subpixel alignment and colour fringing
Geometry
→Straight lines, alignment and scaling