Feed 1 Tools and toolboxes tagged with 'extentions'
-
greasemonkey
in 6 toolboxes
add to my toolboxFirefox plugin which allows you to customize the way a webpage displays using small bits of JavaScript.
Hundreds of scripts, for a wide variety of poular sites, are already available at http://userscripts.org.
You can write your own scripts, too. Mark Pilgrim's definitive Greasemonkey guide, diveintogreasemonkey.org will show you how.