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RECOMMENDED

Tranquility Reader

Read with more clarity and ease. Remove the clutter around text on web pages.
Get the extension

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.

    498,235 users

  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    724,167 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

    293,038 users

  • 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!

    88,400 users

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.

    248,678 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.

    259,516 users

  • 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.

    30,602 users

  • 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!!!.

    38,013 users

Social streaming
  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    724,167 users

  • 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!

    88,400 users

  • Youtube Audio

    Youtube Audio

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

    47,982 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.

    259,516 users

“whatsapp” tagged extensions
  • Global Speed

    Global Speed

    Set a default speed for video and audio.

    64,270 users

  • 划词翻译

    划词翻译

    一站式划词 / 截图 / 网页全文 / 音视频翻译扩展,支持谷歌、DeepL、ChatGPT、百度等 9 个国内外主流翻译服务,均可用于全文翻译。能在 PDF 里使用。支持辅助键、快捷键、悬浮取词。

    59,728 users

  • Pinned Tab for WhatsApp Web

    Pinned Tab for WhatsApp Web

    Go to the pinned WhatsApp Web tab. If it doesn't exist, it's created. WhatsApp doesn’t endorse or sponsor this project.

    21,278 users

  • Privacy Extension For WhatsApp™ Web

    Privacy Extension For WhatsApp™ Web

    The Privacy Extension For WhatsApp™ Web hides your messages from unwanted glimpses until you hover over them. In the search bar, you can disable the blur effect on all messages manually and specify what elements to blur.

    20,477 users