I love FireFox (I ♥ FireFox)
About this Collection
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34 Add-ons in this Collection
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.
"Maximize your screen space by adjusting Firefox window TitleBar, borders, Tabs, Toolbars, etc!", with 'smart' options, *optional* custom caption & resizers.
Multiple Configurable Actions for both screen-corner buttons: Firefox & Close buttons!
More Advanced (hidden) configures
Useful tools for the nightly tester.
gui:config by slosd
This extension provides advanced configuration for your browser. It allows you to easily change many additional options, which are not displayed in the Firefox Options dialog.
Bring back your personal and powerful Firefox Button!
New Tab King is the premier extension for turning your new tab page into a beacon of productivity and efficiency.
Featuring a todo list, recently closed tabs, most visited pages and more!
Tons of visual customization option too!
Show less chrome by default unless it's needed
View news stories and other articles in a very easy to read, clutter-free, scrollable display.
Fill in the rest of words as you type them into the location bar
Note from Mozilla: This add-on has been discontinued. Try Roomy Bookmarks Toolbar instead.