扩展就像是您浏览器上的应用程序。
为 Firefox 增添功能，让上网变得更快、更智能，乐趣十足。
Search by Image - Reverse Image Search
Reverse image search using various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
64,900 个用户
Wikipedia Peek
Shows previews of linked articles on Wikipedia pages.
3,209 个用户
Disconnect
Make the web faster, more private, and more secure.
191,450 个用户
YouTube in HD (720p, 1080p, 1440p, 2160p)
Watch YouTube in the full-HD quality or the highest available one
13,775 个用户
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 个用户
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
12,885 个用户
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
4,278 个用户
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 个用户
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
15,190 个用户
Sticky Notes
Simple sticky notes utility which provides facility to make small notes of any thing.
2,169 个用户
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
3,900 个用户
Note Taker
Adds a text box to a toolbar button for taking notes
3,107 个用户