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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
See all extensions
Privacy & Security extensions
Privacy & Security extensions
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YouTube customization
YouTube customization
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Extension starter pack
Extension starter pack
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YouTube customization
  • AdBlocker for YouTube™

    AdBlocker for YouTube™

    Remove all annoying ads from YouTube.

    ۴۹۹٬۵۹۹ کاربر

  • Enhancer for YouTube™

    Enhancer for YouTube™

    ویژگی‌های بسیار متعدد برای بهبود تجربه کاربری شما در یوتیوب

    ۷۲۵٬۷۲۵ کاربر

  • 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

    ۲۹۴٬۰۵۳ کاربر

  • YouTube NonStop

    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!

    ۸۹٬۲۶۷ کاربر

Creativity extensions
  • Grammar and Spell Checker - LanguageTool

    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.

    ۲۴۹٬۶۳۴ کاربر

  • 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.

    ۲۶۰٬۰۰۳ کاربر

  • Dark Background and Light Text

    Dark Background and Light Text

    Make every web page (or just the pages you want) display light text on dark backgrounds. All color variations are fully customizable.

    ۳۰٬۶۷۶ کاربر

  • Dictionary Anywhere

    Dictionary Anywhere

    View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.

    ۳۸٬۱۵۱ کاربر

Social streaming
  • Enhancer for YouTube™

    Enhancer for YouTube™

    ویژگی‌های بسیار متعدد برای بهبود تجربه کاربری شما در یوتیوب

    ۷۲۵٬۷۲۵ کاربر

  • YouTube NonStop

    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!

    ۸۹٬۲۶۷ کاربر

  • Youtube Audio

    Youtube Audio

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

    ۴۸٬۱۰۳ کاربر

  • 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.

    ۲۶۰٬۰۰۳ کاربر

“antivirus” tagged extensions
  • 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.

    ۳۰۷٬۳۴۵ کاربر

  • Malwarebytes Browser Guard

    Malwarebytes Browser Guard

    The fastest and safest web browsing experience.Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.

    ۵۱۰٬۳۳۳ کاربر

  • Kaspersky Protection

    Kaspersky Protection

    محافظت شما در اینترنت با برنامه افزودنی ارائه شده توسط Kaspersky Lab

    ۴۷۸٬۳۹۷ کاربر

  • Web Threat Shield

    Web Threat Shield

    Keeps you safe when browsing the web by identifying and blocking dangerous websites.

    ۳۵۷٬۵۸۶ کاربر