Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
YouTube Video and Audio Downloader (WebEx)
Download YouTube videos in all available formats and extract the original audio files
115,393 users
IP Address and Domain Information
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
26,342 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,153,581 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.
3,373 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.
45,246 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
13,262 users
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
4,420 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.
528 users
New Tab Override (WebExtension)
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
106,219 users
Tree Style Tab
Show tabs like a tree.
129,442 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
53,546 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
81,483 users
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
15,711 users
Sticky Notes
Simple sticky notes utility which provides facility to make small notes of any thing.
2,305 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
4,078 users
Note Taker
Adds a text box to a toolbar button for taking notes
3,232 users