Advanced Web-developers Package

by Mikhail Kalashnik

18 Add-ons in this Collection

Bottom Error Console by mollifier

Rated 4 out of 5 stars 13 reviews

493 users

Display error console in the bottom of window.

DOM Inspector by Scott MacGregor

Rated 2 out of 5 stars 5 reviews

171 users

Inspect the DOM of HTML, XUL, and XML pages, including the mail...

Style Sheet Chooser II by Rob Tougher, hark

Rated 2 out of 5 stars 1 review

38 users

Style Sheet Chooser II allows you to choose author-provided alternate style sheets for a web site, and have those choices be persisted for all pages on the same site. Style Sheet Chooser II replaces Firefox's built-in style sheet switcher - its...
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