YouTube Enhancer Plus Requires Restart Featured
Improve your watching experience! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.
Translator, dictionary and text-to-speech for 103 languages. Select and translate on any page with a shortcut on double-click.
YouTube High Definition Featured
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
FoxyProxy Standard Requires Restart Featured
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.
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
Easily download most popular video formats.
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.
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!
User-Agent Switcher Featured
Quickly and easily switch between popular user-agent strings.
QuickJava Requires Restart Featured
Pearltrees lets you organize all your interests.
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.
Turbo Download Manager Featured
a download manager with multi-threading support
Right-click on a section of text and click on Translate icon next to it to translate or listen it to your language.
iMacros for Firefox Featured
Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!
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.
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.
YouTube No Buffer (Stop Autoplaying) Featured
A bulletproof approach to prevent YouTube from buffering videos
Tab Scope Requires Restart Featured
Preview and navigate tab contents through popup.