Thx for this ! realy easy to use...Exactly what I was looking for

No over-bloated options. Lightweight. Easily customizable. Simple and Clean. Good job. 保持良好的工作

An example of a good add-on - unobtrusive and does exactly what it's supposed to do without any extra bloat.

If you often need to change the width and height of your browser to a number of preset values, this is a perfect and easily configurable solution.