Some good Extensions

I done some challenges with these firefox extensions.. very good

https://addons.mozilla.org/firefox/573/ - Add N Edit Cookies https://addons.mozilla.org/firefox/1290/ - Shows you the GET and POST parameters of the current website in the sidebar. you can alter them! https://addons.mozilla.org/firefox/1729/ - Execute JS

:ninja:

Nice :P, to bad i allready have them

You're missing the really sweet one that does all that and then some. It's the Web Developer toolbar, i'll post the link when i find it.

http://chrispederick.com/work/webdeveloper/ *It actually does more than it says it does.

Check the HBH download section for some of the best ones