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uBlock Origin

Effective, lightweight ad blocker. uBlock Origin enforces thousands of content filters without chewing up a bunch of memory.
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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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Elite ad blockers
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Recommended extensions
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Translation tools
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YouTube customization
  • Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    697,124 users

  • AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    421,778 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

    152,788 users

  • Youtube Audio

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

    31,443 users

Enhanced privacy extensions
  • Privacy Badger

    Automatically learns to block invisible trackers.

    1,021,696 users

  • Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1,163,171 users

  • HTTPS Everywhere

    Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

    710,476 users

  • DuckDuckGo Privacy Essentials

    Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.

    1,552,194 users

“google” tagged extensions
  • 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.

    839,111 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.

    35,607 users

  • Don't track me Google

    Removes the annoying link-conversion at Google Search / maps / ...

    32,191 users

  • SearchPreview

    SearchPreview enhances your search results pages by inserting site preview images (thumbnails) and popularity ranks into Google™, DuckDuckGo™, Yahoo™ and Bing™ search results.

    26,063 users