Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Tomato Clock
Tomato Clock is a simple browser extension for managing your productivity.
13,430 users
Webmail Ad Blocker
Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, Outlook.com and Yahoo Mail.
44,025 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.
3,037 users
Unpaywall
Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.
27,708 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