Extensions

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

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Recommended extensions
  • PopUpOFF

    PopUpOFF

    Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.

    39,542 users

  • Flagfox

    Flagfox

    Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

    106,174 users

  • Undo Close Tab

    Undo Close Tab

    Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.

    40,975 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!!!.

    45,218 users

Top rated extensions
  • SingleFile

    SingleFile

    Save an entire web page—including images and styling—as a single HTML file.

    61,678 users

  • Emoji

    Emoji

    It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact me

    34,356 users

  • Undo Close Tab

    Undo Close Tab

    Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.

    40,975 users

  • Return YouTube Dislike

    Return YouTube Dislike

    Returns ability to see dislike statistics on youtube

    747,064 users

Trending extensions
  • Measure-it

    Measure-it

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

    23,415 users

  • Feedbro

    Feedbro

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

    42,720 users

  • Clear Cache

    Clear Cache

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

    56,398 users

  • Livemarks

    Livemarks

    Get auto-updated RSS feed bookmark folders.

    13,107 users