Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
VivaldiFox
A dynamic theme that allows colouring Firefox in a Vivaldi style fashion.
2,548 users
AdBlocker Ultimate
Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!
410,965 users
Reverse Image Search
Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.
6,838 users
Social Fixer
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
16,856 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.
44,261 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
12,885 users
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
4,278 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.
506 users
New Tab Override (WebExtension)
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
103,291 users
Tree Style Tab
Show tabs like a tree.
126,199 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
52,029 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
79,846 users
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
15,190 users
Sticky Notes
Simple sticky notes utility which provides facility to make small notes of any thing.
2,169 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
3,900 users
Note Taker
Adds a text box to a toolbar button for taking notes
3,107 users