Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
FoxyProxy Standard
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.
194,180 users
Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
5,579 users
ReloadMatic: Automatic Tab Refresh
ReloadMatic automates the periodic reloading / refreshing of browser tabs. It offers cache control, custom intervals, POST support and many other features. It also integrates with browser features such as tab restore, pinning, and incognito mode.
30,935 users
lesspass
Use LessPass add-on to generate complex passwords and log in automatically to all your sites
2,583 users
Update Scanner
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
15,361 users
Hacker News Enhancement Suite
Hacker News Enhanced.
1,463 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
1,821 users
Dark Theme for Google News
Makes the layout of Google News dark while retaining the original feel.
1,036 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.
47,752 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
12,113 users
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
4,409 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. In addition to being able to view the forecast for the next 24 and 48 hours.
428 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).
11,343,224 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,991,199 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,181,212 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,427,772 users