PangoBright
Windows utility for dimming laptop and external monitor brightness.
PangoBright is a small, lightweight program (the EXE is around 100K bytes) with a single purpose: dimming screens. After installation it sits in the Windows system tray; clicking the red 'P' logo opens a pop-up menu where you select a brightness level and, if multiple monitors are connected, choose which monitors to apply it to. It dims all windows on the screen, including system dialog boxes.
1 alternative to PangoBright
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