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

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Dark Reader

Enable night mode for a better viewing experience.
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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Privacy & Security extensions
Privacy & Security extensions
See staff picks
Essential add-ons
Essential add-ons
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Declutter your desktop
Declutter your desktop
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Tab managers
  • Tab Stash

    Tab Stash

    Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.

    40,003 users

  • Tree Style Tab

    Tree Style Tab

    Show tabs like a tree.

    197,768 users

  • OneTab

    OneTab

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

    162,442 users

  • Tab Session Manager

    Tab Session Manager

    Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.

    141,195 users

Gaming & media extensions
  • Enhancer for YouTube™

    Enhancer for YouTube™

    Take control of YouTube and boost your user experience!

    657,198 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

    606,892 users

  • Return YouTube Dislike

    Return YouTube Dislike

    Returns ability to see dislike statistics on youtube

    885,316 users

  • Read Aloud: A Text to Speech Voice Reader

    Read Aloud: A Text to Speech Voice Reader

    Read out loud the current web-page article with one click. Supports 40+ languages.

    179,146 users

“twitter” tagged extensions
  • TWP - Translate Web Pages

    TWP - Translate Web Pages

    Translate your page in real time using Google, Bing or Yandex. It is not necessary to open new tabs.

    589,708 users

  • 'Improve YouTube!'  🎧 (For YouTube & Video)

    'Improve YouTube!' 🎧 (For YouTube & Video)

    Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)

    80,869 users

  • Block Site

    Block Site

    A customizable, password-protected website blocker and redirector.

    73,619 users

  • Feedbro

    Feedbro

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

    46,285 users