Extensions are like apps for your browser.
它们为 Firefox 增添功能，让上网变得更快、更智能，或更好玩。
Honey
Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.
446,319 个用户
Copy PlainText
Copy Plain Text without any formatting
14,238 个用户
Zoom Page WE
Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom and minimum font size. Fit-to-width zooming can be applied to pages automatically. Fit-to-window scaling can be applied to small images.
54,953 个用户
Swift Selection Search
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
17,407 个用户
Latest BBC News
Displays latest BBC News in a popup widget Get all the latest BBC News headlines with a single click. Opens a popup widget with the latest news headlines. Quick access to Business Health Science & Environment Technology Entertainment
854 个用户
Update Scanner
监视网站页面更新, 特别适用于那些不提供 Atom 或 RSS 的网站.
14,105 个用户
Hacker News Enhancement Suite
Hacker News Enhanced.
629 个用户
Dark Theme for Google News
Makes the layout of Google News dark while retaining the original feel.
417 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.
45,295 个用户
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
9,698 个用户
Forecast: Google™ Weather
A lightweight and accurate weather extension for the entire globe based on Google Technology
3,746 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. Easier than looking out the window !
90 个用户
Adblock Plus
被广告弄得搓火吗？被跟随鼠标的标语弄得烦心吗？被横幅弄得感到厌恶吗？立即安装 Adblock Plus 来重新取得 Internet 的控制权并且改变您浏览网页的方式。 在 http://www.youtube.com/watch?v=oNvb2SjVjjI 上有简短的视频可供参考
11,102,656 个用户
uBlock Origin
一款高效的网络请求过滤工具，占用极低的内存和 CPU。
4,806,217 个用户
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,138,744 个用户
网页截图
帮您方便的截取网页并保存为图片。
2,452,305 个用户