Most Popular Extensions
Protects your privacy by blocking spying ads and invisible trackers.
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
Bluhell Firewall Featured
Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.
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.
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
adaware ad block improves your browser’s speed and protects your privacy by blocking ads and trackers. It also improves online security by blocking malicious URLs and establishing the most secure connection available.
Watch videos without flash
This extension automatically sets Yahoo.com as your homepage and new tab page.
Replace video player with Firefox native video player
This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.
Notifier for gmail, yahoo, hotmail, aol and more webmails.
X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...
Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.
THIS ADD-ON IS NO LONGER UPDATED PLEASE USE THE BUILT IN PDF VIEWER.
Get rid of annoying cookie warnings from almost all 'infected' websites!
Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.
When accessing exhentai.org the user is presented with a photo of a sad panda. Access to the site is restricted to users of the sister site http://forums.e-hentai.org whom must manually copy their IPB cookie. This plugin automates this process.
Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.
WebRTC leaks your actual IP addresses from behind your VPN, by default.