It so happens that, for convenience, simultaneously hold two browser windows screen. This is useful when translating text in the presence of one of the chat window and in general in any situation where you are working on a single task, but it is necessary to monitor something else. You can put a second monitor, and you can get one.
Obviously, the most effective in terms of usable space will arrange two windows next to each other so that each of them took up half the screen. Fortunately, now almost all have already got widescreen monitors and a location in the normal resolution does not affect the user experience. However, if you withdraw your browser window from the full-scale regime, then we have to fight long and hard to resize the window so that it takes up exactly half of the screen. You can make it much easier.
Extension for Chrome called Tab Scissors one-click "cut" the browser window into two equal halves.
The division thus there is exactly the size of the window. Accordingly, if you have one browser window with one tab at the top of the screen, you can click on the extension icon you will get a window occupies half of the screen, and if the two tabs, you will get 2 windows with one tab for each. Pressing the icon will turn into a half quarters, and so on.
Tab Scissors | Chrome Web Store