About this Collection
minimal dev suite
8 Add-ons in this Collection
Firebug by Joe Hewitt, Jan Odvarko, others
Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.
View HTTP headers of a page and while browsing.
Inspect the DOM of HTML, XUL, and XML pages, including the mail...