Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Context Search
Search selected text using your preferred search engines. Right-click or Shift-click on selected text to respectively launch the context menu or the grid of icons. You can also perform searches using keywords in the url address bar.
8,227 users
Google™ Translator
a handy multi-language translator built on top of Google translate.
23,884 users
Bloody Vikings!
Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.
17,335 users
User-Agent Switcher
Quickly and easily switch between popular user-agent strings.
91,650 users
Update Scanner
Monitors web pages for updates. Useful for websites that don't provide Atom or RSS feeds.
14,078 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
830 users
Hacker News Enhancement Suite
Hacker News Enhanced.
610 users
Dark Theme for Google News
Makes the layout of Google News dark while retaining the original feel.
406 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.
45,273 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
9,651 users
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
3,739 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 !
80 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).
11,106,442 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,805,070 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,138,902 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,452,592 users