Test for backlight bleed, clouding, and brightness uniformity with 50% gray screen. Detect hotspots and IPS glow. Free tool.
Fills screen with 50% gray to reveal brightness inconsistencies.
50% gray reveals both bright and dark uniformity defects — the most balanced test.
Some is normal. Excessive bleed may warrant a warranty claim.
Test your monitor for color banding and gradient smoothness issues. Detect 6-bit, 8-bit, and 10-bit …
Detect and prevent OLED burn-in with this free tool. Moving pattern reveals ghost images on OLED, AM…
Test pixel-level sharpness with a full-screen checkerboard pattern. Detect blurry pixels and scaling…
Test pixel response time with rapid black-white transitions. Detect ghosting and motion blur. Essent…
Test viewing angle performance with color bands. Check for color shifting and contrast loss at diffe…
Check monitor color accuracy with reference swatches including primaries, grays, and skin tones. Fre…
Fix stuck pixels by rapidly cycling colors. Stimulates pixel transistors. Run 20-30 minutes for best…