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 Home » Freeware Downloads » Monitor, Video and Webcam Utilities » Twinkle Tray v1.15.4   
File - Download Twinkle Tray v1.15.4

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Twinkle Tray v1.15.4

Easily manage the brightness of your monitors in Windows from the system tray.

Twinkle Tray lets you easily manage the brightness levels of multiple monitors. Even though Windows is capable of adjusting the backlight on most monitors, it typically doesn't support external monitors. Windows 10 & 11 also lack any ability to manage the brightness of multiple displays. This app inserts a new icon into your system tray, where you can click to have instant access to the brightness levels of all compatible displays.

  • Adds brightness sliders to the system tray, similar to the built-in Windows volume flyout.
  • Seamlessly blends in with Windows 10 and Windows 11. Uses your Personalization settings to match your taskbar.
  • Can automatically change monitor brightness depending on the time of day or when idle.
  • Bind hotkeys to adjust the brightness of specifical or all displays.
  • Normalize backlight across different monitors.
  • Control DDC/CI features such as contrast.
  • Starts up with Windows.

Design and Personalization

Twinkle Tray will automatically adjust the look and feel to match your Windows version and preferences. Additional options are available to select the Windows version and theme of your choice.


Twinkle Tray uses DDC/CI and WMI to communicate with your monitors. Most monitors offer DDC/CI compatibility, but it may be off by default. Make sure you have the appropriate option(s) enabled on your monitor so that it can work with Twinkle Tray. Refer to your monitor's user manual for more information.

Known issues:
  • The AMD Radeon Control Panel can interfere with Twinkle Tray. Ensure "Custom Colors" is not enabled.
  • VGA may not be compatible.
  • USB/Thunderbolt/Surface docks with HDMI or DisplayPort may not be compatible.
  • DDC/CI features such as brightness control and power state may cause certain models of monitors to behave poorly. This applies to any DDC/CI software, not just Twinkle Tray.

If some of your monitors are not being detected, please see this page for troubleshooting steps.

Command Line Arguments

Twinkle Tray (v1.13.0+) supports requesting brightness changes from the command line. Twinkle Tray must already be running. One monitor argument and one brightness argument are required. Multiple arguments will override each other.

For example: "%LocalAppData%\Programs\twinkle-tray\Twinkle Tray.exe" --MonitorNum=1 --Offset=-30 will adjust monitor number 1 by -30 brightness.

Supported arguments:

--List List all displays. (available in v1.14.0+)
--MonitorNum Select monitor by number. Starts at 1. Example: --MonitorNum=2
--MonitorID Select monitor by internal ID. Partial or whole matches accepted. Example: --MonitorID="UID2353"
--All Flag to select all monitors.
--Set Set brightness percentage. Example: --Set=95
--Offset Adjust brightness percentage. Example: --Offset=-20
--VCP Send a specific DDC/CI VCP code and value instead of brightness. The first part is the VCP code (decimal or hexadecimal), and the second is the value. Example: --VCP="0xD6:5" (available in v1.14.4+)
--Overlay Flag to show new brightness levels in the overlay Example: --Overlay

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Downloads Views Developer Last Update Version Size Type Rank
1,372 2,243 Xander Frangos <img src=""border="0"> Dec 19, 2023 - 12:49 1.15.4 84.24MB EXE 5/5, out of 9 Votes.
File Tags
Tray  v1.15.4  Twinkle  
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