Lunar

Controls the real hardware brightness, contrast and volume of external monitors from your Mac, including on Apple silicon.

Lunar screenshot 1
the short version

What Lunar does

Lunar uses DDC to adjust external displays directly and can sync them with the built-in screen, dim below normal limits, and be scripted from the command line. Many features are free; Pro features such as XDR Brightness and BlackOut need a lifetime licence after a 14-day trial.

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