Updated 20.9.13 Which means to darken a selected area of the screen "> Tunnelvision installed you can darken a part of the screen, automatically.
Everything on the screen remains operational and active only that it is not displayed.
You can move the mouse to shed light on other parts of the monitor and make it visible.
Be like moving a torch in a dark room, therefore, protecting what you don't want to be seen by the spies.
Right clicking on the Tunnelvision icon opens the program properties and you can change the diameter and shape of the visible part.
You can also choose to illuminate a round, square or rectangular part of the screen by obscuring everything else in black or another color.
In another article we talk about another program to hide the internet, programs and windows on the pc screen at work and surf secretly
2) A small large portable program for Windows allows you to slightly darken all open windows that are in the background, leaving only the active one bright .
It's called Ghoster and it's really a useful tool for those who want to focus better when working on the computer with multiple programs open, focusing attention on the active window, the one that is in the foreground.
Ghoster works automatically, keeping the light on the active window, the one that received the last click with the mouse, and turning it off on all the others.
The background windows, the desktop icons and also the taskbar at the bottom are therefore obscured .
3) A variant of Ghoster is the TransOther program, with the difference that the windows in the background are not darkened but made transparent.
You can definitely set the best transparency level for your taste.
4) Another program to obscure part of the screen and therefore only display an active window is Zorro, for Windows 7, XP and Vista.
Once loaded, the program appears as an icon on the System Tray, and a reconfigurable keyboard shortcut is obviously available to turn it off and on.
5) Only on Google Chrome can the Turn off lights extension be installed to dim the screen when watching an online video from Youtube or other sites.
6) Cinemadrape is instead a small Windows program that obscures everything except an area drawn with the mouse.
The opacity level can be customized and only part of the screen can be kept bright, leaving the entire desktop covered in black.
7) Clutter Cloak is a Windows tool to darken the screen in different ways, to stay focused.
8) The Dimmer, easy to use, with no configuration and no confusion, obscures everything on the screen except the active window .
9) Dropcloth offers a few more options and requires manual interaction from the user who can change the color and opacity of the darkening.
