Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Enhancer for YouTube™
Tons of features to improve your user experience on YouTube™.
432,968 users
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
38,336 users
Toolbox for Google Play Store™
Enhances the Google Play Store™ with various features. The add-on will add optional APKMirror, Android Police, and Appbrain buttons to all Play Store app pages. Additionally, TGPS will tell you if an app you're looking at offers a beta program.
2,260 users
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
117,139 users
Classic Theme Restorer (Fx29-56)
Squared tabs, application menu, add-on bar, small button view and many more 'old' features for 'Firefox 29-56', not for Firefox 57+! Latest builds on Github! AMO is dead.
239,126 users
Tab Groups
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.
65,221 users
TableTools2 - Copy/Sort/Chart/Filter Table&More!
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
8,760 users
Octotree
Add-on to display GitHub code in tree format
8,858 users
谷歌翻译 - 智能云翻译
本插件使用谷歌翻译引擎，可在任意网页中选词进行智能翻译。
887 users
Page Translate
Translate whole page using Google Translate
2,141 users
ErrorZilla Plus
This extension is a replacement of Firefox official error page, which adds some useful tools to aid your troubleshooting. The tools include: - Google Cache (view the page cached by Google) - Coralize (use Coral CDN proxy to connect again) - Wayback (view an earlier version of this page) - Ping (use a server to ping the target server) - Trace (trace the network route from you to the server) - Whois (look up who owns the website) - Proxify (use your custom web proxy to connect)
3,220 users
Selenium IDE: Screen Capture Extension
Extension to Selenium IDE for various screen capture capabilities.
1,992 users