@leocg As far as I know it doesn't work with Chrome browser as well. But I didn't check it by my self.

@leocg It adjusts a program / window to a size and place you choose.

First of all you set number of windows:

Then you have 2 options: drag & drop to location or press an icon and choose location

If you work with 2 monitors - you know that feeling when you just get a browser tab and drop it to a second monitor and it automatically adjusts. Or press "expand" button and it fits the whole display. Same here but in frames of 1 monitor.

More info here: https://displaysolutions.samsung.com/solutions/monitor-solution/easy-setting-box

Hello! Just bought a Samsung's C49HG90DMI monitor. As a screen is pretty wide Samsung provides a tool called "Easy Setting Box". Unfortunately it doesn't work with Opera browser.

May be I am doing something wrong but I guess that it is just not supported by Opera.
Ultrawide monitors are getting more popular it would be nice to see you fix this in near future!
P.S. If problem could be solved only on Samsung's side - let me know.