Recently Updated Extensions

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Copy Reminder List To Clipboard No Restart

Provides button to copy the list of current reminders to the clipboard.

Not yet rated
0 users
Updated September 2, 2015

UI Text Overrider No Restart

Provides ability to override UI elements' label, tooltip text, etc.

Not yet rated
30 users
Updated September 2, 2015

ThunderBirthDay

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Rated 4 out of 5 stars (81)
19,999 users
Updated September 1, 2015

Element Hiding Helper for Adblock Plus No Restart

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (447)
732,305 users
Updated September 1, 2015

MultiBirthdaysReminder

Manage All Birthdays

Thanks to :
Sebastian Apel : this pluggin was inspired by its brilliant pluggin : Birthday Reminder
Johannes Kayßer : German translation
Johannes Beulshausen : 2 annoying bugs
Nick2222 : sending email suggestion

Rated 5 out of 5 stars (3)
292 users
Updated September 1, 2015

Open With

Quickly test out your web pages in Internet Explorer, Chrome, Safari, or Opera. Open With opens the current page in your other browsers with just one click. Add Open With to your menus, toolbars and developer toolbox today!

Rated 4 out of 5 stars (177)
18,743 users
Updated September 1, 2015

Blend In

Blends OS-related values in User-Agent HTTP request header & a number of JS properties, so that Firefox (Thunderbird) appears to sites visited as running on the OS used the most in the world. Thunderbird can also be blended in as Firefox.

Rated 4 out of 5 stars (10)
907 users
Updated August 31, 2015

dictCheck

dictCheck - Double click on any english word in a page to get the polish meaning. Uses fast online dictionary.
Simple and easy! Enjoy!

Rated 5 out of 5 stars (6)
525 users
Updated August 31, 2015

tzpush

Z-Sync to Thunderbird Addressbook
Will sync Thunderbird address book to Zentyal, Zarafa, Horde and outlook.com/hotmail.

Rated 4 out of 5 stars (11)
1,434 users
Updated August 31, 2015

ColumnsWizard

Adds some magic to the folder list columns!
With this addon you can:
* Add a custom column
* Set the default columns settings for any new folder.
* Show hidden columns in the Conversation Tab and in the search window.

Rated 5 out of 5 stars (3)
659 users
Updated August 31, 2015

QFO - Quick Fuck Off

This extension serves the purpose of providing instant access to the FOAAS web service. FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.

Rated 3 out of 5 stars (2)
22 users
Updated August 31, 2015

globalChrome.css

Provides global user stylesheet.

Not yet rated
63 users
Updated August 31, 2015

Disable Addons

Disable Addons.

Rated 2 out of 5 stars (1)
4 users
Updated August 30, 2015

Disable Auto-update

Disable Auto-update feature of Firefox and Thunderbird.

Rated 5 out of 5 stars (2)
898 users
Updated August 30, 2015

SmartTemplate4

SmartTemplate4 offers an easy way to automatically create customized replies by auto-inserting various mail headers. Templates can be created for every account as well as for the default (all email accounts). Also supports the Stationery Add-on.

Rated 5 out of 5 stars (49)
17,021 users
Updated August 30, 2015

FoxClocks No Restart

FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

Rated 4 out of 5 stars (307)
67,030 users
Updated August 29, 2015

UnMHT No Restart

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 5 out of 5 stars (217)
78,998 users
Updated August 29, 2015

Dict

Looks up the definition of words on a Web page.

Rated 5 out of 5 stars (14)
1,181 users
Updated August 29, 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 (146)
89,443 users
Updated August 29, 2015

Bluhell Firewall No Restart

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 5 out of 5 stars (233)
136,722 users
Updated August 29, 2015