Reverse image search using various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
Shows previews of linked articles on Wikipedia pages.
Make the web faster, more private, and more secure.
Watch YouTube in the full-HD quality or the highest available one
Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.
The best way to see the weather right in your browser. Easier than looking outside!
A lightweight and accurate weather extension for the entire globe based on Google Technology
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.
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
Simple sticky notes utility which provides facility to make small notes of any thing.
Stylish timer combined with stopwatch and alarm for your browser.
Adds a text box to a toolbar button for taking notes