This would be very helpful for the web developers. Lots of web developer doesn’t prefer Internet Explorer. The only use it comes to them to check out their programming compatibility with it since there are lots of Internet Explorer (IE) also there are lots of website which works in IE only.
With IE Tab add-on in firefox you can embed Internet Explorer in Tabs of Mozilla Firefox. You can easily see how your web page looks like in IE tab with just one click and then switch back to Firefox. With 27 millions downloads so far, lots of users feels that this the best add-on that they ever have come across in firefox.
How to install IE Tab

How to use IE Tab
This is how your IE page would like, check the Internet Explorer logo out there.
Presently this addon is compatibility for Windows users only. So if you are using Macbook or linux then please skip this and thanks for reading this article.
Firefox has the options to make changes in many ways. This was just a small example. You could integrate the look, features and everything of Chrome into Firefox too. Mozilla has been one of the best browser developers always.
5:31 PM
What an idea from mozilla!!
really superb, its just the problem of every WINDOWS user..
Internet explorer doesn’t has many features, long time back i have stopped using it, one of my friend suggested me to use mozilla..
From that day i’ve become die hard fan of mozilla..
Now with this add on i can use both in mozilla..
Really excellent thought.. thanks for sharing..