A better OSX brightness tool
Version 1.3
ScreenDimmer is a powerful Mac OSX brightness utility capable of controlling the brightness of up to three monitors, independently of each other. It gives you complete, fine grained control over all your external displays.
  • Precision control over your Mac's brightness
  • Ability to set brightness on a per monitor basis
  • Support for up to three monitors
  • Unintrusive menu bar application
Compatible with any Mac OSX device. Requires Mac OSX Snow Leopard (10.6) or later.


ScreenDimmer is the brightness utility Mac OSX has been missing. With support for multiple monitors, intuitive slider behavior, and always availible key shortcuts it is a simple yet comprehensive solution to a problem many Mac users struggle with.

Watching a movie on one monitor and want to dim the other? ScreenDimmer can do that. iMac screen hurting your eyes at night? ScreenDimmer can help with that too. Want to focus on your work while blocking out all other distractions? You guessed it, ScreenDimmer.

ScreenDimmer is a Mac OSX application developed by Atlas Wegman
Currently availible exclusivly on the Mac App Store


Version 1.3

Released on January 16th, 2013
  • NEWMonitor icons will now rearrange to match desktop orientation
  • FIXScreen will now remain dim while in expose
  • FIXFixed contraint errors
  • FIXRemoved unused images (decreased app size)

Version 1.2

Released on December 11th, 2012
  • NEWAdded hotkeys
  • NEWAdded new images (icon, menu bar, buttons)
  • FIXImproved menu bar icon, made it reflect current status
  • FIXReorganized user interface

Version 1.1

Released on November 6th, 2012
  • NEWAdded settings menu
  • NEWAdded automatic monitor detection
  • FIXImproved monitor handling
  • FIXIncreased slider precision

Initial Release

Released on September 22nd, 2012



Contact Me

ScreenDimmer is published and maintained by me, Atlas Wegman. If you have any feedback (bug reports, feature requests, anything!) please do not hesitate to contact me.

I'll do my best to get back to you as soon as possible, and hopefully solve whatever it is you may be contacting me about!