Most Popular Extensions
Rask pigiau No Restart
Raskpigiau.lt is a price comparison tool for Lithuanian webshops. Instant Price Comparison: raskpigiau.lt automatically lets you know if you’ve found the lowest price on a product. Raskpigiau.lt checks more than 30 merchants for lower prices.
Disable System Alerts No Restart
Integration with system alert/notification services such as OS X Notification Center and libnotify
will be disabled while this extension is enabled.
CSDN Geek No Restart
Counting Strings No Restart
Allows you to generate exact & measurable string lengths for testing website forms.
MoovGames No Restart
Play 100's of FREE premium online games instantly by installing this Add-On. Enjoy thrilling new games everyday. Join the fun now.
FaceMail No Restart
Insert signature in letter
主机城市 No Restart
Slide Web No Restart
A basic add-on allows to make a sequence of presentation of Web site before passing to the following one after a while.
Velantro Click for Velantro PBX
danganreddit Class Trial helper No Restart
Help plugin to format comments for danganreddit class trials.
Copy As Text No Restart
Copy as plain text content of web pages with rapid preview
Changes the icon used for the profile's Firefox windows to the Blue Bits Module Puzzle icon from Icojam. This add-on can be used to visually differentiate profiles.
Move Active Tab To Left No Restart
Move active tab to the left end, so recent tabs cluster to the left side.
Warning: This will unpin your pinned tabs, don't use it if you want to keep the pinned tabs
InsomniaDL 1.0.0 No Restart
Prevents a Windows-PC from going into Sleep mode while downloading files.
Expands sidebars outward to the left of the browser window. [Windows/Linux...
Provides easy lookups of DNS information through DNSStuff.com. Now works with new DNSStuff.com paid service!
Style Sheet Chooser II allows you to choose author-provided alternate style sheets for a web site, and have those choices be persisted for all pages on the same site. Style Sheet Chooser II replaces Firefox's built-in style sheet switcher - its...