![]() ![]() #SHORTCUT KEY TO ADJUST BRIGHTNESS MAC INSTALL#The ‘brightness’ tool is easy to use as long as you have Homebrew installed on the Mac, so assuming that’s the case let’s install the ‘brightness’ tool with the following command:Īfter ‘brightness’ has installed, you can use it as follows: #SHORTCUT KEY TO ADJUST BRIGHTNESS MAC HOW TO#How to Change Mac Screen Brightness via Terminal with ‘brightness’ You can also use the ‘run last command’ !! trick to effectively dim the setting another notch. Therefore you can repeat that command to lower the brightness more if needed. Osascript -e 'tell application "System Events"' -e 'key code 144' -e ' end tell' How to Decrease Mac Screen Brightness from Command Line with AppleScriptĮxecuting the following AppleScript at the command line will dim the screen brightness by one notch, like pressing the brightness down key once on a Mac keyboard: Run that command several times to increase the brightness more, you can use the up arrow and return trick to run it again, or you can use the !! to re-run last executed command tip as well. Osascript -e 'tell application "System Events"' -e 'key code 145' -e ' end tell' ![]() How to Increase Mac Screen Brightness from Command Line with AppleScriptĮxecuting the following Apple Script at the Terminal of MacOS will increase the screen brightness by one notch, like pressing the brightness up button on a Mac keyboard: First we’ll show you a handy way to increase or decrease Mac screen brightness using osascript at the command line, and we’ll also show you a handy third party command line tool to change display brightness from the Mac Terminal as well. ![]()
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