Free browser screen testing tools for dead pixels, refresh rate, FPS, color, backlight bleed, and display calibration.
About Screen Test
Free browser-based monitor and display testing toolkit. No download and no account. Tools include dead pixel, refresh rate, FPS, backlight bleed, screen size and resolution, color and calibration, greyscale, HDR, sRGB, color accuracy, gamut and color depth, and burn-in checks.
✓ VerifiedNov 4, 2026
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