Take command of your multiscreen setup
Quickly and effortlessly blank your other displays while watching a movie, playing a game, or focusing on some work on a particular screen.
Download via the Mac App Store
Requires MacOS 10.12 (Sierra) or later.
Screen Commander is a simple utility that lives in your menubar and provides screen blanking options at the click of your mouse.
Lives in your menubar and works great on Macs set up with two, three, or more displays.
Blanking on demand
Blank or unblank the current screen, your other screens (while leaving the current one as is), or all screens at once.
Use the convenient popup menu on any blanked screen to access the same commands available in the menubar.