Thunderbird - mail

by sloprlek

187 Add-ons in this Collection

Adblock Plus by Eyeo

Rated 5 out of 5 stars 7,050 reviews

12,756,252 users

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).

1-Click YouTube Video Download by The 1-Click YouTube Video Download Team

Rated 4 out of 5 stars 814 reviews

681,360 users

The simplest YouTube Video Downloader for all of YouTube videos.

Google Translator for Firefox by nobzol

Rated 4 out of 5 stars 687 reviews

591,995 users

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

LastPass Password Manager by LastPass

Rated 4 out of 5 stars 4,146 reviews

782,446 users

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

Greasemonkey by Anthony Lieuallen

Rated 4 out of 5 stars 1,548 reviews

692,197 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Google Translate, ImTranslator, Dictionary, TTS by Smart Link Corporation

Rated 4 out of 5 stars 593 reviews

213,607 users

ImTranslator translates text, words, webpages between more than 100 languages.
NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.

Firebug by Joe Hewitt, Jan Odvarko, others

Rated 4 out of 5 stars 2,593 reviews

907,776 users

Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...

FoxyProxy Standard by Eric H. Jung

Rated 4 out of 5 stars 571 reviews

360,588 users

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

Stylish - Custom themes for any website by

Rated 4 out of 5 stars 1,257 reviews

327,476 users

Stylish lets you customize any website with custom user styles (themes for websites). Choose from the largest userstyles library to change the color scheme, background, and skin for Google, Facebook, YouTube and many, many more sites.

Web Developer by chrispederick

Rated 4 out of 5 stars 465 reviews

268,381 users

The Web Developer extension adds various web developer tools to the browser.

Flagfox by Dave G

Rated 5 out of 5 stars 827 reviews

255,139 users

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 827 reviews

356,772 users

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.

Kee by Luckyrat

Rated 5 out of 5 stars 1,284 reviews

56,210 users

Kee adds free, secure and easy password management features to your browser which save time and keep your private data more secure.

Powered by KeePass Password Safe (additional installation of this free open-source program is required).

DuckDuckGo (HTTPS / SSL) by DuckDuckGo

Rated 5 out of 5 stars 116 reviews

3,836 weekly downloads

DuckDuckGo is the search engine that doesn't track you. We also have smarter answers and less clutter. This extension adds DuckDuckGo (HTTPS / SSL version) to the search bar. For more features, see the DuckDuckGo Plus add-on. Enjoy!
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