Extensions

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

Explore all categories
Recommended extensions
  • 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!

    8,100 users

  • FoxyProxy Standard

    FoxyProxy Standard

    FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

    134,432 users

  • FoxyTab

    FoxyTab

    Collection of Tab Related Actions e.g. Duplicate, Close Duplicates, Close to the Left, Copy Title, Merge Windows, Save as PDF, Copy Urls Tab/All/Left/Right, Host keep/close/close other, Sort by URL/Title, Asce/Desc, Move, Reload, Reload Timer

    16,854 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

    Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

    424,091 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

    56,634 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    212,276 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.

    199,144 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    955,215 users

Trending 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.

    152,116 users

  • LASER CAT

    LASER CAT

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

    6,526 users

  • Clear Cache

    Clear Cache

    Clear browser cache with a single click or via the F9 key. F9 Fever! ;)

    42,982 users

  • Measure-it

    Measure-it

    Draw a ruler across any webpage to check the width, height, or alignment of page elements in pixels.

    28,113 users