Lights Out macOS Energy Saver application

Lights Out for
                          macOS icon

Lights Out enables hot corners to put your Mac to sleep, or keep it awake.  Lights Out can set sleep on or off for individual applications.  Lights Out cures Energy Saver insomnia.

Many software packages, scanners, and peripherals can interfere with your Mac's normal sleeping patterns.  Lights Out offers a secondary idle timer to put your Mac to sleep even when Energy Saver fails to do so.

Lights Out gives you easy control and status of sytem sleep right from its Dock icon.  Simple to configure, and simple to use, Lights Out makes no harmful changes to your system.  Launch it and quit it just like any normal app!

Lights Out is Energy Saver's Little Helper!


User definable hot spots for CPU sleep and never sleep.
Temporarily suspend CPU sleep for specified periods.
Easily switch sleep on and off.
Set sleep on or off for individual applications.
Application based for easy installation and stability.
Sandboxed for safety.
Apple Silicon native.
Simple to configure and use.

Requirements: Universal Binary requires OS X 10.10 or higher.

Download Lights Out 2024.2 (9.6 MB)

Lights Out for macOS screenshot

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