Stylus
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
344,610 users
Weather Extension
The best way to see the weather right in your browser. Easier than looking outside!
22,279 users
User-Agent Switcher and Manager
Spoof websites trying to gather information about your web navigation—like your browser type and operating system—to deliver distinct content you may not want.
94,550 users
EPUBReader
Read ePub files right in Firefox. No additional software needed!
132,377 users
400 users
133 users
1,681 users
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
468,070 users
Enhancer for YouTube™
Take control of YouTube and boost your user experience!
573,270 users
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
442,767 users
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
130,355 users
779,054 users
506,380 users
448,339 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.
1,003,743 users
TWP - Translate Web Pages
Translate your page in real time using Google or Yandex. It is not necessary to open new tabs. Now works with the NoScript Extension.
659,394 users
Simple Translate
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
313,280 users
ImTranslator: Translator, Dictionary, TTS
COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.
133,103 users