Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
99,376 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.
44,660 users
To Google Translate
Right-click a section of text and click the Translate icon next to it to text translate or listen to it in your language.
731,164 users
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
42,875 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
146,901 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
73,911 users
YouTube Search Fixer
Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.
33,774 users
Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1,265,974 users
Read Aloud: A Text to Speech Voice Reader
Read out loud the current web-page article with one click. Supports 40+ languages.
200,172 users
Dark Mode
Dark theme and night shift mode for every website. Care your eyes, use Dark Mode for night and daily web browsing.
42,582 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
58,498 users
Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
66,093 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
2,491 users
