The first and only download manager/accelerator built inside Firefox!
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
When you find something on the web that you want to view later, put it in Pocket. It automatically syncs to your phone, tablet or computer so you can view it at any time, even without an internet connection.
FirePHP enables you to log to your Firebug Console using a simple PHP method call.
Not using Firebug 1.9+ on Firefox 8+? See http://firephp.org/
A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)
Clear Cache was developed to make it easier for Web development, clearing your browser cache (RAM and DISK) by pressing a button or via the F9 key.
F9 Fever! ;)
Defragments your Firefox "Places" database (history/bookmarks)
This greatly reduces the lag while typing in the address bar and the start-up time.
This extension features configurable automatic cleaning, periodic reminder, and internationalization.
More Advanced (hidden) configures
Automatically find user scripts on Userscripts.org (requires Greasemonkey or Scriptish)
View and manage downloads from a tidy statusbar - without the download window getting in the way of your web browsing.
Thanks Tekzilla for your awesome review! Click here to see their video: http://youtu.be/BUDqWrJ-Vao
This extension provides advanced configuration for your browser and many additional options, which are not displayed in the Firefox Preferences.
Add a compact menu button to the navigation toolbar, and hide the menu bar.