Rated 5 out of 5 stars

per the_k586 el mar. 21, 2011 ·

Very useful for debugging things, or just access things made by stupid developers who think only their browser exist on the planet, and deny everything else, or redirect you.

One point, the user agent updated list MUST have to be integrated ! (or at least figure as a link into the addon), annoying to search it over and over everytime:
http://techpatterns.com/forums/about304.html

Now repaired for ff 4.0 :)