Recently Updated Extensions

Subscribe

S3.Google Translator

S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.

New Feature: Language learning!

Rated 5 out of 5 stars (182)
228,439 users
Updated April 7, 2015

Telify

Converts telephone numbers into clickable links for use with CTI applications, SIP clients, Skype, Netmeeting, snom phones, the AGFEO TK-Suite Client and SerVonic IXI-PCS.

Rated 4 out of 5 stars (51)
11,538 users
Updated April 7, 2015

About Add-ons

Adds an About button to extensions, themes, and languages in the Add-ons list.

Rated 4 out of 5 stars (9)
920 users
Updated April 7, 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. Since 18.0t17.0.2 Windows is blended in by default too.

Rated 4 out of 5 stars (9)
987 users
Updated April 5, 2015

gContactSync

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Rated 4 out of 5 stars (173)
38,939 users
Updated April 4, 2015

AVIM

An input method editor (IME) for Vietnamese. Type Vietnamese diacritics directly into any Web page, Web app, or dialog box.
————
Bộ gõ tiếng Việt cho phép đặt dấu trực tiếp vào bất kỳ trang Web, ứng dụng Web, và hộp thoại.

Rated 5 out of 5 stars (30)
3,007 users
Updated April 4, 2015

Gnome Integration

Provides better integration with Gnome using standard notifications and other features

Rated 4 out of 5 stars (41)
3,931 users
Updated April 4, 2015

Toggle Proxy

Toggle Proxy adds a status bar/toolbar icon to toggle between two proxy settings which can be set in the preferences or toggle via a shortcut key (alt + x) if you don't use the add-on bar.

Rated 4 out of 5 stars (39)
10,718 users
Updated April 3, 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 (219)
143,698 users
Updated April 3, 2015

Mozilla Thunderbird Hotfix No Restart

This official add-on enables Thunderbird to provide quick fixes for selected issues

Not yet rated
1 user
Updated April 2, 2015

Adblock Plus No Restart Featured

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (4,833)
21,370,353 users
Updated March 31, 2015

CookieKeeper No Restart

Extended Cookie Manager - Keep only wanted cookies.

Rated 4 out of 5 stars (35)
12,971 users
Updated March 31, 2015

Adblock Edge No Restart

Adblock Edge is a fork of the Adblock Plus version 2.1.2 extension for blocking advertisements on the web, without sponsored ads whitelist.

**This addon will be discontinued on June 2015**

Rated 5 out of 5 stars (259)
811,523 users
Updated March 28, 2015

Webpage Screenshot in Firefox (♥♥♥♥♥)

FireShot Webpage Screenshots captures pages entirely. Demo: http://bit.ly/RlBQMV

The screenshot can be quickly captured and:

― Saved as Image or PDF
― Sent to clipboard
― Printed
― Annotated *
― Uploaded *
― E-Mailed *

* OS Windows only

Rated 5 out of 5 stars (425)
273,963 users
Updated March 26, 2015

Russian Spelling Dictionary

Select a text in Russian appearing on any web page and get a spelling check for it immediately!

Rated 5 out of 5 stars (3)
20 users
Updated March 26, 2015

FlashGot Mass Downloader

Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.

Rated 5 out of 5 stars (480)
1,073,323 users
Updated March 25, 2015

Automatic Dictionary No Restart

Extension that remembers the language of the spellchecker used when composing and switches to it every time you write to that person.

Rated 5 out of 5 stars (17)
2,531 users
Updated March 24, 2015

ownCloud for Filelink

Add ownCloud support to Thunderbird's filelink feature.

Rated 5 out of 5 stars (4)
836 users
Updated March 23, 2015

DKIM Verifier

Verifies the DKIM-Signature of an e-mail.

Rated 5 out of 5 stars (8)
2,591 users
Updated March 21, 2015

Lightbird

Standalone calendar UI for Lightning

Rated 5 out of 5 stars (8)
4,195 users
Updated March 20, 2015