Twinkle Tray
Free open source Windows tray app with brightness sliders for laptop screens and DDC/CI external monitors.
The maker's own words say it acts on brightness.
- Runs on
- Windows
- Price
- US$0, free, MIT license. Source: twinkletray.com
- Status
- Operating
- Website
- twinkletray.com
- Checked
- 28 Sep 2026
What the maker says, in four columns
Lit: the maker's own words say the app acts on it. Outlined: mentioned, not claimed. Blank: not stated.
PWM flicker
Not stated by the maker.
Dithering
Not stated by the maker.
BrightnessSays the app acts on this
“Twinkle Tray lets you easily manage the brightness levels of multiple monitors.”Source: twinkletray.com
Blue light
Not stated by the maker.
Other apps that say they act on brightness: BetterDisplay, CareUEyes, CircadianShield, Iris, ColorControl, DisplayBuddy, Lunar, MonitorControl, Monitorian, PangoBright