To use these add-ons, you'll need to download Firefox.

RECOMMENDED

Simple Translate

Instantly translate any selected text on web pages.
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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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Productivity tools
Productivity tools
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YouTube customization
YouTube customization
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Privacy & Security extensions
Privacy & Security extensions
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Top rated themes
Tab managers
  • Tabby - Window & Tab Manager

    Tabby - Window & Tab Manager

    Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!

    21,574 users

  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    222,223 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    103,542 users

  • OneTab

    OneTab

    OneTab - Too many tabs? Convert tabs to a list and reduce browser memory

    173,134 users

Twitch extensions
  • BetterTTV

    BetterTTV

    Enhances Twitch and YouTube with new features, emotes, and more.

    490,689 users

  • Alternate Player for Twitch.tv

    Alternate Player for Twitch.tv

    Alternate player of live broadcasts for Twitch.tv website.

    36,086 users

  • Twitch Chat pronouns

    Twitch Chat pronouns

    Add Pronouns to Twitch Chat

    16,084 users

  • Unwanted Twitch

    Unwanted Twitch

    Hide unwanted streams, games, categories, channels and tags on: twitch.tv

    5,834 users

“whatsapp” tagged extensions
  • Global Speed

    Global Speed

    Set a default speed for video and audio.

    66,372 users

  • 划词翻译

    划词翻译

    一站式划词 / 截图 / 网页全文 / 音视频 AI 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。

    54,410 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.

    35,669 users

  • VNNet - Free VPN

    VNNet - Free VPN

    Free VPN. Get access to websites

    11,176 users