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。
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
22,587 个用户
Google™ Translator Lite
a powerful tool to translate words or sentences
29,970 个用户
Privacy Badger
Automatically learns to block invisible trackers.
561,720 个用户
Textmarker
Highly customizable text highlighter with different colors and save option for later visits. Parts of the underlying WebExtensions API are not supported on Android and ESR.
7,634 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.
45,246 个用户
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
13,262 个用户
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
4,420 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.
528 个用户
Google Keep Notes
Google Keep Notes brings Google Keep right into your Firefox Sidebar.
15,711 个用户
Sticky Notes
Simple sticky notes utility which provides facility to make small notes of any thing.
2,305 个用户
Timer (alarm, timer and stopwatch)
Stylish timer combined with stopwatch and alarm for your browser.
4,078 个用户
Note Taker
Adds a text box to a toolbar button for taking notes
3,232 个用户