DisplayBuddy
DisplayBuddy is a monitor control utility for macOS that lets you adjust external display brightness, contrast, volume, and other settings from your Mac.
What is DisplayBuddy?
DisplayBuddy is a macOS utility that helps users control external monitor settings directly from their Mac instead of using physical monitor buttons. It is designed for people with one or more displays who want faster access to brightness, contrast, volume, input source, and other common controls from the menu bar and keyboard. The app supports DDC/CI controls for compatible monitors, includes software-based brightness control when hardware control is unavailable, and can work with Apple displays and supported smart monitors. It also offers tools for syncing changes across multiple screens and saving presets for different setups or times of day. DisplayBuddy is published by Siddharth Gupta and is commonly used in desk setups where monitor controls are hard to reach or where users want more consistent multi-display management on macOS.
Key features
- Adjust brightness, contrast, and volume for compatible external monitors
- Control displays from the menu bar instead of using on-screen monitor buttons
- Sync brightness and volume changes across multiple connected screens
- Save and switch between presets for different display setups
- Use keyboard shortcuts for common monitor adjustments
- Change input source, power, rotation, and resolution on supported displays
- Use software brightness control when a display does not support direct hardware control
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Safety overview
Status: Mostly safe
DisplayBuddy is a legitimate monitor-control utility for macOS. It may need access related to display control and keyboard integration, which is normal for an app that manages monitor settings from your Mac. Because it can change hardware settings such as brightness, volume, and input source on supported displays, users should review any permissions they grant and make sure the app’s controls behave as expected with their specific monitor, dock, or adapter setup.
Recommendation: Keep DisplayBuddy if you use it to manage external displays from your Mac, especially in multi-monitor setups. Remove it if you no longer want menu bar monitor controls or presets; doing so may also remove saved display preferences and shortcut-based controls you rely on.
Common paths
/Applications/DisplayBuddy.app
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