Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Google™ Translator
a handy multi-language translator built on top of Google translate.
24,143 users
View Page Archive & Cache
View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive.is, Google, Bing, Yandex, Gigablast, WebCite, Sogou, Memento, Naver and Yahoo Japan.
3,095 users
Transparent standalone images
This add-on renders standalone images on a transparent background, so you can see the image in all its glory!
2,361 users
SmartProxy
SmartProxy will automatically enable/disable proxy for the sites you visit, based on customizable patterns.
2,473 users
Update Scanner
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
14,587 users
Latest BBC News
Displays latest BBC News in a popup widget Get all the latest BBC News headlines with a single click. Opens a popup widget with the latest news headlines. Quick access to Business Health Science & Environment Technology Entertainment
803 users
Hacker News Enhancement Suite
Hacker News Enhanced.
581 users
Dark Theme for Google News
Makes the layout of Google News dark while retaining the original feel.
386 users
Forecastfox (fix version)
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
46,481 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
9,801 users
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
3,859 users
Toolbar Weather
This extension shows in your toolbar the current weather and the degree in Celsius, when you click is possible see more details about the weather on your city. Easier than looking out the window !
60 users
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
11,440,834 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,931,431 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,230,241 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,568,940 users