8 Best Brightness and Screen Dimmer Apps for Windows 10
https://techwiser.com/brightness-screen-dimmer-apps-windows-10/
WebOct 11, 2021 · 1. Dimmer, as the name suggests, is a basic Windows screen dimming app that supports multiple displays. The app casts a grey overlay on all the displays and you can just move the slider to dim the screens. I tried it on 3 monitor setup and it worked flawlessly. Dimmer is a portable program.
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