One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!
Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.
lolifox - Fierr MOD Requires Restart
Replaces the error page with a lolifox appearance with additional features.
Get all CSS styles of selected text
"Restart" menu and button, with configurable shortcut key.
Emulates dragging scrollbar with your middle mouse button anywhere on the page (in all directions).
Compatible with the new Electrolysis e10s multiprocess Firefox version!
It's super lightweight and fast (no additional libraries were used).
Smarter Scrolling Featured
Flick your finger quickly up or down to scroll right to the top or bottom of the page
Go full screen with one click on the button.
Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.
Dorando keyconfig Requires Restart
A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)
Who is Hosting This Website is a free Add-on service for telling you- where websites are being hosted. "Who is Hosting this Website?" will also determine and display the IP address, DNS records and domain name ownership information (Whois Records).
use UserScripts on your Firefox for Android with usi!
Allow click events to reflow text to fit screen width after zoom events
Always open Tabs in foreground. Use system back button to close again.
Adds the Export/Import Tabs menu items
Adds an ×-PageAction to close the tab
This add-on will automatically display new Tweets from Twitter, but only when you are scrolled all the way to the top of your timeline.
replace white or very bright background on webpages with slightly darker colors
Adds a "Search this site" button to Firefox. When clicked, Google will be opened and search the website you are on.