Screen Dimmer Night Filter

Screen Dimmer Night Filter is a screen dimmer and blue light filter that lets you dim your screen below the minimum brightness for night reading, using a transparent overlay and a warm tint. If you want a screen dimmer app to dim your screen at night, lower brightness below the system slider, and add a night mode screen filter, this is built for exactly that.

Screen Dimmer lets you drop your screen brightness below the Android system minimum using a transparent overlay, then add a warm tint for comfortable night-time reading.

KEY FEATURES:
• Sub-minimum brightness: go darker than your system slider allows
• Warm tint presets: choose None, Warm, or Extra warm (6500 K, 3800 K, 2400 K)
• Persistent overlay service: the filter stays active across all apps
• Notification control: turn the overlay off from the notification without re-opening the app
• Nightly schedule: set a start and end time and the dim turns itself on and off
• Brightness remembered: your last setting is restored automatically on relaunch

PERFECT FOR:
• Night readers who find the system minimum still too bright
• Phone users in dark rooms who want a warmer, less jarring screen
• OLED device owners looking to reduce eye discomfort during low-light use
• Anyone who has hit the brightness slider limit and needed more

HOW THE SCREEN DIMMER WORKS

The app uses Android's SYSTEM_ALERT_WINDOW permission to draw a transparent overlay. A clear permission flow guides you through the one-time grant, with no hidden or unexpected behaviour.

No account required. Your brightness and filter settings are stored locally on your device and are never uploaded.

WHY SCREEN DIMMER NIGHT FILTER?

Even at its lowest setting, a phone screen can be painfully bright in a dark room, during late-night reading, in bed, or in a cinema. This screen dimmer solves it by layering a transparent overlay on top of your apps, letting you go well below the system minimum while keeping the screen perfectly readable. Add a warm tint to warm the screen, and night-time use becomes genuinely comfortable.

Because it runs as a persistent overlay service, the dim level and warm filter stay active across your apps, and the Turn Off button in the notification means you never have to reopen the app to turn it off. Set the nightly schedule and your night filter turns itself on and off. Your last brightness setting is restored automatically every time. All your settings live on your device.

Download Screen Dimmer Night Filter and read comfortably tonight.

Recent changes:
- Brightness slider and dial now work as they look: drag toward the big sun to brighten, the small sun to dim. Your saved level is unchanged.
- Dragging along the dial's sides turns it instead of scrolling the page.
- Opening the app just after bedtime no longer cancels tonight's scheduled dim.
- A scheduled dim no longer comes back after a restart once its window is over.
- If Android refuses the overlay, the app shows OFF.