Up & Coming Extensions
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.
Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
Control for which webpage form history is saved or not.
Awesome Auto Archive No Restart
Automatically do Archive/Copy/Delete/Move actions based on user defined rules
Quickly highlight some text in Thunderbird message composing windows.
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
The first and only download manager/accelerator built inside Firefox!
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...
Firefox does not give an option to remove the oldest entries from the history. History Janitor automatically purges history entries on Firefox startup. The user is allowed to specify a number of days. Everything older than this number is deleted!
FoxyProxy Basic is a simple on/off proxy switcher. More advanced features and configuration options are offered by FoxyProxy Standard.
AutoPager Fixed is a working version of AutoPager extension for Firefox 36+ (non-E10s mode) to autoload the next page(s) when you scroll pages.
ATTENTION: DISABLE THE ORIGINAL AUTOPAGER ADDON!
Open With Google Chrome No Restart
Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.
YouTube Anywhere Player No Restart
Watch videos anywhere in cinema mode without leaving the website you're on.
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
Facebook Touch Panel lets you quick check your Facebook Notifications and Messages by a special touch Panel without leaving your web experience.
Config Descriptions No Restart
Shows source comments for advanced application preferences in about:config
Facebook Like No Restart
Facebook Like lets you "Like" any web page with a special Facebook button.
StartupMaster No Restart
Asks for the master password at startup (fixes multiple password prompt)
This add-on provides configurable keyboard shortcuts for several actions and a dialog to customize them.
All shortcuts can be redefined in Tools -> Key settings
This is a dictionary file add-on for the Rikaichan extension.