Recently Updated Extensions

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No Caption No Restart

Hide the caption of Firefox

Rated 4 out of 5 stars (11)
234 users
Updated May 2, 2015

Pinterest Pin Button No Restart

Pin it and send your Pins to Pinterest quickly and easily with Pinterest Pin Button.

Rated 5 out of 5 stars (12)
84,521 users
Updated May 1, 2015

Sea Fox

Transform SeaMonkey into Firefox 3.x

Rated 5 out of 5 stars (5)
436 users
Updated May 1, 2015

Saved Password Editor

Adds the ability to create and edit entries in the password manager.

Rated 5 out of 5 stars (190)
93,961 users
Updated April 30, 2015

Focus Regainer

Return focus from embedded object back to browser on browser hotkeys pressed.

Rated 5 out of 5 stars (20)
348 users
Updated April 30, 2015

YouTube High Definition No Restart

YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.

Rated 5 out of 5 stars (213)
289,690 users
Updated April 30, 2015

Facebook Messenger

Facebook Messenger lets you bring a Facebook Messenger right into your browser to chat with your friends.

Rated 5 out of 5 stars (22)
24,349 users
Updated April 30, 2015

Menu Filter No Restart

Keep your menus in check by filtering out items you never use.

Rated 4 out of 5 stars (29)
2,427 users
Updated April 30, 2015

Select like a Boss No Restart

Select link's text just like a regular text (like in Opera'12 browser) - Select like a Boss ;)

Rated 5 out of 5 stars (19)
2,257 users
Updated April 28, 2015

Classic Toolbar Buttons No Restart

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (140)
41,831 users
Updated April 28, 2015

ColorfulTabs

The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...

Rated 4 out of 5 stars (969)
247,874 users
Updated April 28, 2015

Kukkuniiaat

A Greenlandic spell checker for Mozilla products.

Not yet rated
13 users
Updated April 27, 2015

Vagex Firefox Add-on

Vagex is a view exchange site which will expose your video to thousands of members in order to increase the view count. With our system, YouTube will see all the views your videos are getting and promote it even more, having a sort of viral effect.

Rated 3 out of 5 stars (6)
7,851 users
Updated April 27, 2015

Screengrab (fix version)

Screengrab! saves webpages as images.
0.98 released!
New features: upload to internet

Rated 5 out of 5 stars (241)
150,427 users
Updated April 27, 2015

ToggleDocumentColors_

Adds a toolbar button and keyboard shortcut to switch between the default page colors and user-defined colors.
Firefox shortcut: Control-Shift-C
SeaMonkey shortcut: Control-K

Rated 4 out of 5 stars (13)
465 users
Updated April 26, 2015

Theme Font & Size Changer No Restart

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (143)
92,939 users
Updated April 26, 2015

Sharp Color Picker No Restart

A full featured color selector tool, to work with colors, and easily find the colors you want.

Not yet rated
62 users
Updated April 26, 2015

Add-ons Button No Restart

Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.

Not yet rated
745 users
Updated April 25, 2015

Ghostery No Restart

Protect your privacy. See who's tracking your web browsing and block them with Ghostery.

Rated 5 out of 5 stars (1,118)
1,446,250 users
Updated April 24, 2015

Twitter App

Twitter App brings Twitter right into your Firefox Sidebar.

Rated 4 out of 5 stars (14)
16,484 users
Updated April 22, 2015