Monitorian to External Monitor Brightness Control in Windows 10

External Monitor Brightness Control software Monitorian ways to use, direct download links, and features.


Using extended laptop screen and thinking to change brightness then nothing to worry about. Monitorian is a Windows desktop tool perfectly for you that provides you seamless experience. You can adjust brightness on 2nd monitor using this app with mere a few clicks.

Multiple times, one monitor darker than the other in Windows 10 or showing yellowish when you run plural number of desktop. Monitorian also works as a solution to this as it can adjust brightness of screens, moreover for external ones, individually or in unison.

Monitorian works for External Monitor Brightness Control in Windows 10

Here are the ways to use Monitorian –

  1. First of all, have a look at the app running on the desktop –
Monitorian works for External Monitor Brightness Control
  1. You need to click several times to increase or decrease the brightness of a Monitor as one click will modify the level to 10 percent. When you have changed the brightness of multiple monitors the app will show as the following screenshot –
brightness of multiple monitors
  1. Furthermore, you can change the adjustable range of brightness for each monitor seamlessly
adjustable range of brightness
  1. Also, you are able to change the name of the second screen by clicking and holding it until it turns to be editable. Maximum number of monitors displayed at a time is up to 4.



When you install the application only executables –

  • The settings file will be configured as¬† – C\Users\username\AppData\Local\Monitorian\
  • Path in the registry will be – HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

Monitorian Shortcut keys

Monitorian Shortcut keys

Use Command

You can use below-written command-line options to adjust second monitor brightness.

Tasks Commands
Get brightness /get
See brightness of a specified monitor /get [Device Instance ID]
Change the brightness of all monitors /get all
Adjust the brightness of a monitor /set [Brightness]
Adjust brightness of a particular monitor /set [Device Instance ID] [Brightness]
Configure brightness of all monitors. /set all [Brightness]

The brightness ranges lie between 0 to 100%. It can be stipulated with brightness itself (for example 20), increase (+10), or decrease (-10). Each monitor will receive a device instance ID as a unique identifier.

You can call the tool using the following address –

%LOCALAPPDATA%\Microsoft\WindowsApps\Monitorian.exe. For example, to increase brightness of all monitors by 30%, the Action will be the following:

Monitorian download links (direct) –

One more tool (Bonus) –

Reduce Screen Brightness below Minimum on Windows 10, 8 PC

That’s all!!!

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Topics:  Software
About Sunita
Love to play with Windows 11 and 10. Suggestion - Going for Registry change or system files edit then remember to take a backup or create a restore point before Starting.