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Extensions

Explore powerful tools and features to customize Firefox and make the browser all your own.

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Recommended extensions
  • EPUBReader

    EPUBReader

    Read ePub files right in Firefox. No additional software needed!

    126,718 users

  • Simple Tab Groups

    Simple Tab Groups

    Create, modify, and quickly change tab groups

    31,927 users

  • Tab Stash

    Tab Stash

    A no-fuss way to save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind.

    6,101 users

  • OneTab

    OneTab

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

    111,005 users

Top rated extensions
  • 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

    92,633 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

    A secure and free password manager for all of your devices.

    364,322 users

  • Decentraleyes

    Decentraleyes

    Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

    204,447 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    921,829 users

Trending extensions
  • Web Archives

    Web Archives

    View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing, Yandex, Gigablast, WebCite, Sogou, Memento, Naver and Yahoo Japan.

    24,881 users

  • LASER CAT

    LASER CAT

    This is probably a laser cat add-on so you can shoot laser cat lasers at things.

    9,907 users

  • Sidebery

    Sidebery

    Tabs tree and bookmarks in sidebar with advanced containers configuration.

    9,145 users

  • YouTube High Definition

    YouTube High Definition

    YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

    121,676 users