automaticDark - Time-Based Theme Changer
TWP - Translate Web Pages
Translate your page in real time using Google, Bing or Yandex. It is not necessary to open new tabs.
558,474 users
Turn Off the Lights for Firefox
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. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
64,705 users
Default Bookmark Folder
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
10,635 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
89,223 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
151,967 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
78,083 users
Youtube
Download YouTube videos in full 1080p HD or extract MP3 audio with a single click. Fast, free YouTube video downloader and YouTube to MP3 converter for high-quality downloads.
Knockoff - Amazon Brand Filter
Filters trademark-squat pseudo-brands (SZHLUX, HORUSDY…) out of Amazon search, and optionally hides sponsored listings. The brand appraisal runs locally. Two features send seller and product data; both can be switched off. No accounts.
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
50,721 users
Turn Off the Lights for Firefox
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. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
64,705 users
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.
18,350 users
Zoom Extension
Recommended, support Firefox 45+. The Zoom Firefox Extension allows participants to schedule Zoom cloud meetings directly from Google Calendar. You can start an instant meeting or schedule a future meeting with a button.
191,698 users
Hover Zoom+ (Official)
Zoom images/videos on all your favorite websites (Facebook, Amazon, etc). Simply hover your mouse over the image to enlarge it.
13,061 users