Scrolls the page smoothly when scrolling the mouse wheel (or keyboard arrows if enabled).
Open Bookmarks/History/Homepage/URL/Search in new tabs, and more utilities for tabbed browsing, including Protect/Lock/Faviconize/Unload Tab, Reload Every, Select and manipulate multiple tabs simultaneously, Tab Stacking/Coloring, etc.
CodeBurner is a Firefox add-on that integrates with Firebug, to extend it with reference material for HTML and CSS.
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within.
Useful tools for the nightly tester.
Bring back your personal and powerful Firefox Button!
Firefox does not natively support the mime-type application/vnd.wap.xhtml+xml. This is one of the possible mime-types for XHTML Mobile Profile. This addon adds support for this mime-type.
Add a compact menu button to the navigation toolbar, and hide the menu bar.
Collections are groups of related add-ons that anyone can create and share.Explore Collections