All gaming tools
Monitor Calibration
Monitor calibration online, by eye
Reference patterns for brightness, contrast, and gamma — open your monitor's own OSD menu and adjust those controls while comparing against these patches. This tool only renders reference patterns; it can't change your monitor's hardware settings.
Gray step gradient
Near-black (brightness/PLUGE)
0
2
4
8
16
Near-white (contrast/PLUGE)
255
253
250
245
235