Show Mode is a tiny OS X utility, that sits in the menu bar, to temporarily change your desktop background(s) to black and switch to dark mode if available.
Show Mode requires at least Mac OS 10.6 recommended is 10.10 or later.
Show Mode based on Screen Blacker by Figure 53
Statusicon made by Madebyoliver from www.flaticon.com
Appicon made by Freepik from www.flaticon.com