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Clear Cache

Clear your browser cache with a click or keystroke.
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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
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Extension starter pack
Extension starter pack
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Tab managers
Tab managers
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Translation tools
  • To Google Translate

    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.

    891,548 users

  • TWP - Translate Web Pages

    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.

    601,542 users

  • Simple Translate

    Simple Translate

    Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.

    165,812 users

  • ImTranslator: Translator, Dictionary, TTS

    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.

    150,180 users

YouTube customization
  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    671,872 users

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    432,148 users

  • SponsorBlock - Skip Sponsorships on YouTube

    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

    176,146 users

  • Youtube Audio

    Youtube Audio

    Stream just the audio from YouTube to save bandwidth and battery life

    36,251 users

“twitter” tagged extensions
  • Feedbro

    Feedbro

    Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.

    43,981 users

  • Turn Off the Lights for Firefox

    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.

    37,498 users

  • Emoji

    Emoji

    It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please go to https://github.com/Sav22999/emoji

    12,680 users

  • Improve YouTube! (Open-Source for YouTube)

    Improve YouTube! (Open-Source for YouTube)

    Make YouTube tidy & powerful! YouTube Player Size Theme Quality Auto HD Colors Playback Speed Style ad block Playlist Channel H.264

    8,469 users