Brightness Slider
Brightness Slider is a macOS menu bar utility that lets you adjust display brightness with finer control, including very low dimming levels.
What is Brightness Slider?
Brightness Slider is a native macOS utility for adjusting screen brightness from the menu bar. It is designed for users who want quicker access to brightness controls, smoother low-light dimming, or brightness shortcuts on keyboards that do not have dedicated brightness keys. The app combines normal backlight adjustment with an additional dimming layer so it can offer more gradual control at very low brightness levels than the standard setting alone. It also supports keyboard-based adjustment and can start automatically when you log in. Brightness Slider is a focused helper app for everyday display comfort, especially for people working at night or in dim environments.
Key features
- Adjust screen brightness directly from the menu bar
- Fine-tune very low brightness levels for darker environments
- Use keyboard shortcuts to raise or lower brightness
- Control brightness with arrow keys while the menu is open
- Launch automatically at login
- Continue dimming visually even on displays with limited backlight control
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Mostly safe
Brightness Slider is a legitimate display utility for macOS. For its purpose, menu bar access and launch-at-login behavior are normal, and changing brightness is its core function. On some Macs or display setups, its extra dimming method may place a dark overlay on the screen to achieve lower apparent brightness, which can affect how brightness changes feel compared with the built-in controls. Keep it only if you use its finer dimming features or shortcuts regularly.
Recommendation: Keep Brightness Slider if you want menu bar brightness control or smoother dimming in low light. If you rely on macOS built-in brightness controls and do not use its extra shortcuts or dimming behavior, you can remove it without affecting the rest of the system.
Common paths
/Applications/Brightness Slider.app
Preference paths
~/Library/Preferences/net.ACT-Productions.Brightness-Control.plist
Share your experience
Be the first to share your experience.