Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
HTTPS Everywhere
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
536,874 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,148,270 users
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
8,277 users
Impulse Blocker
Block distracting websites when you are browsing the web. You can list websites that you don't want to visit in the settings. You can pause or turn off the blocker quickly. Completely open source.
6,013 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.
45,014 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
13,207 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.
530 users
New Tab Override (WebExtension)
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
105,451 users
Tree Style Tab
Show tabs like a tree.
128,360 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
53,106 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
81,016 users
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
15,606 users
Sticky Notes
Simple sticky notes utility which provides facility to make small notes of any thing.
2,301 users
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
4,058 users
Note Taker
Adds a text box to a toolbar button for taking notes
3,224 users