Enter . While many know it as a tool for fixing Mac’s scaling issues with third-party displays, its true superpower lies in a decades-old, often-ignored protocol: DDC/CI (Display Data Channel Command Interface) .

No. If you use a single monitor at fixed brightness and never change inputs, you don’t need DDC. Is it for you? If you crave a seamless, single-cable, button-free desk setup— BetterDisplay with DDC is the missing link. Download BetterDisplay from its official GitHub or website. Always back up your system before installing kernel-adjacent display utilities.

For the $18 (or free with limited features) asking price, the ability to finally retire your monitor’s OSD buttons and control brightness, volume, and inputs via your keyboard is a game-changer.

Here is how BetterDisplay is revolutionizing monitor control by bringing it back to your keyboard and mouse. DDC is a communication channel built into virtually every modern monitor (DisplayPort, HDMI, and USB-C). It allows the computer to send commands to the monitor and read data from it.

For years, the dream of a clean, button-free desk setup has been hindered by one stubborn piece of plastic: the monitor’s physical joystick and buttons. If you use an external monitor with a Mac, you know the dance. You need to lower brightness at night, adjust volume, or switch inputs, but instead of a smooth keyboard shortcut, you’re fumbling around the bottom bezel, clicking through clunky on-screen displays (OSD).