Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Turn Off the Lights for YouTube™ and Beyond
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube™ and Beyond. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
47,627 users
Tomato Clock
Tomato Clock is a simple browser extension for managing your productivity.
12,058 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
14,386 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.
38,462 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.
239,192 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.
65,176 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.
8,759 users
Octotree
Add-on to display GitHub code in tree format
8,939 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。
1,267 users
Google Translate for Selected Text
Translate selected text with Google's cloud translation service on the same webpage you are visiting.
882 users
Page Translate
Translate whole page using Google Translate
2,688 users
Super Dark Mode
Switch website you want to dark mode. Dark mode will help devices save battery and reduces strain on your eyes.
998 users