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.
Messenger & Notifier for Facebook™ Featured
provides an easy access to messenger.com and notifies you of all new messages (via badge icon text)
Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.
Theme Font & Size Changer Featured
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.
Cleanest Addon Manager Featured
Cleanup your Addon Manager
Tons of features to improve your user experience on YouTube™.
HTTPS Everywhere Requires Restart Featured
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.
Tool for managing the default action when you click a "mailto:" link. Specializing in sharing details for Webmail services.
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
Now Available for: Firefox, Thunderbird and SeaMonkey!
Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.
Copy Plain Text 2 Requires Restart Featured
Copies text without formatting
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
Strictly block all popup requests from any website by default. A notification window is opened to allow you accept, reject, open the popup in background page, or redirect the current page to popup address
History Submenus II Featured
Add sub-menus to History Menu for previous days' history.
FireGestures Requires Restart Featured
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
Honey Compatible with Firefox 57+ Featured
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
Download YouTube Videos as MP4 Featured
An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.
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.
Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds Ecosia.org as the default search engine to your Firefox. Give it a try!