BetterDisplay is a powerful and free display management utility for macOS that unlocks features Apple doesn't offer natively. Get HiDPI resolutions, smooth scaling, and precise brightness and contrast controls for virtually any external monitor connected to your Mac.
The app lives neatly in your menu bar, giving you instant access to all display controls without cluttering your workspace. Brightness and contrast adjustments happen at the hardware level through DDC/CI protocols, preserving your display's full color range and image quality.
Whether you're running a single external monitor or a multi-display setup, BetterDisplay is actively maintained with regular updates and works seamlessly with a wide range of hardware.