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Search by Image

See an interesting picture on the web and want to learn more about it? Try this image search tool.
Get the extension

Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
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Elite ad blockers
Elite ad blockers
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Anti-tracking extensions
Anti-tracking extensions
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Extensions for writers
Extensions for writers
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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.

    927,888 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.

    608,349 users

  • Simple Translate

    Simple Translate

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

    191,038 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.

    149,615 users

YouTube customization
  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    460,100 users

  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    680,953 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

    217,745 users

  • Youtube Audio

    Youtube Audio

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

    41,605 users

Social streaming
  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    680,953 users

  • Search by Image

    Search by Image

    A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

    229,351 users

  • Youtube Audio

    Youtube Audio

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

    41,605 users

  • Turbo Download Manager

    Turbo Download Manager

    A download manager with the ability to pause and resume downloads, download remote files, and more.

    56,103 users

“twitter” tagged extensions
  • Feedbro

    Feedbro

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

    43,886 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.

    36,459 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

    14,179 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

    10,536 users