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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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Download Managers
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Games & Entertainment extensions
Games & Entertainment extensions
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YouTube customization
  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    752,800 users

  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    525,824 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

    291,698 users

  • Youtube Audio

    Youtube Audio

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

    50,348 users

Enhanced privacy extensions
  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,162,840 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

    A secure and free password manager for all of your devices.

    637,953 users

  • NoScript Security Suite

    NoScript Security Suite

    The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.

    329,217 users

  • Cookie AutoDelete

    Cookie AutoDelete

    Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported

    193,852 users

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.

    1,072,997 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.

    666,753 users

  • Simple Translate

    Simple Translate

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

    241,417 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.

    154,881 users

“translate” tagged extensions
  • 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.

    1,072,997 users

  • Simple Translate

    Simple Translate

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

    241,417 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.

    666,753 users

  • Firefox Translations

    Firefox Translations

    Translate websites in your browser, privately, without using the cloud.

    295,992 users