Screen Dimmer – Brightness Controller
Easily dim or boost website brightness. Simple screen dimmer with custom levels for better eye comfort and visibility.
Detects and dims sudden video flashbangs for late-night watching
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Automatically detects and dims sudden bright flashes in online videos. Perfect for night owls, it smooths harsh YouTube flash-bangs and keeps your eyes comfortable, even during late-night binges.
Works with most video platforms
Softens sudden brightness spikes in real time
Adjustable sensitivity to match your viewing style
Lightweight, private, and runs quietly in the background
Watch videos without getting blinded. Safer for your eyes, friendlier for your late-night screen sessions.
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Easily dim or boost website brightness. Simple screen dimmer with custom levels for better eye comfort and visibility.
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Adds a screen dimmer overlay to the current tab.
Adjust brightness level on any website.
Dim any site with a global slider or per-site levels. Quick lock, scheduling, smooth fade.
Take control of your screen’s brightness with Umbra - Screen Dimmer