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.
Tab Memory Usage Featured
Tab Memory Usage displays the amount of memory is used by each tab
Protects your privacy by blocking spying ads and invisible trackers.
QuickJava Requires Restart Featured
Font Finder Requires Restart Featured
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
Disconnect Compatible with Firefox 57+ Featured
Make the web faster, more private, and more secure.
SearchWP Requires Restart Featured
Jump-to-word buttons and highlighting for the search box content
YouTube™ Control Center Featured
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
Bloody Vikings! Featured
Tons of features to improve your user experience on YouTube™.
Greasemonkey Requires Restart Featured
Shows previews of linked articles on Wikipedia pages.
Tab Scope Requires Restart Featured
Preview and navigate tab contents through popup.
Fraudscore Compatible with Firefox 57+ Featured
Block unwanted dangerous malware while keeping your personal information safe. Fraudscore's Artificial Intelligence tracks and blocks shady advertisements, malicious websites, and software that tries to steal your personal information.
Gmail™ Notifier (restartless) Featured
Multiple account (or label) Gmail notifier (without storing passwords)
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
Print Edit Requires Restart Featured
Allows editing of web page content while in Print Preview mode, prior to printing or saving as HTML or PDF. Compacts the layout and removes unwanted content such as adverts, sidebars and blank pages. Any element can be formatted, hidden or deleted.
Private Tab Featured
Adds private tabs.
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.