Recently Updated Extensions
Earn extra money while browsing online! Get rid of ads, and optionally tip your favorite sites.
Whatsapp Web Messenger brings WhatsApp right into your browser to chat with your friends.
Messenger for Facebook™ lets you bring a Messenger right into your browser to chat with your friends.
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
FM scene is the first add-on for the free browser Mozilla Firefox (and SeaMonkey) that makes all fansites of the FIFA Manager by EA Sports accessible with just one click. The FIFA Manager is a quite popular soccer manager simulation in Europe.
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.
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.
Finally, an efficient blocker. Easy on CPU and memory.
The first and only download manager/accelerator built inside Firefox!
ע\ع (Ayn\Ayn) Lookup [former ע\ع Converter] Requires Restart
Transliteration of Arabic/Syriac to Hebrew writing system and a powerful interface to many dictionaries and encyclopedias : Arabic>He,En; Syriac>En; Hebrew>Ar, En, Ru; Yiddish>En; Wiki,
Etymology, Thesaurus ... . Select text and use context menu.
Send images and pages to your Pinterest account quickly and easily with Share Button for Pinterest.
SmartTemplate4 Requires Restart
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.
Thunderbird Integration for JIRA Requires Restart
This is a plugin for Thunderbird 3.3+ which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.
Open With Vivaldi Browser sends pages from Mozilla Firefox to Vivaldi browser.
HTTPS Everywhere Requires Restart
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
Google Hangouts Web Messenger brings Google Hangouts right into your browser to chat with your friends.
Now with 1080p Full-HD Support!
Download every YouTube video you want and you can download them as Full-HD MP4, FLV, 3GP, MP3, M4A and AAC formats. Easy & Fast!
ChatZilla zh-CN Language Pack Requires Restart
ChatZilla zh-CN language pack for ChatZilla 0.9.92
Google Cache lets you visit retrieve the web page from Google Web Cache when the site is offline.