Black Screen for Windows - Instantly black out ALL monitors with a key press.
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Instantly black out ALL monitors with a key press. Far quicker than fumbling with monitor buttons.
Press a key. Instantly black out ALL your screens. Press again to return. The fastest way to rest your eyes without turning monitors off!

Replies
Simple but brilliant. Does it work with multi-monitor setups where you want to black out only specific screens?
Also launching today (ZenTrack) - upvoted!
@graino Yes it does! But blacking out specific screens is a premium function which can be bought in the app itself.