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

Log in

12,393 extensions found in Appearance

Filter results
Search results
  • Image Block X

    Image Block X

    Image Block X gives you a simple button to change whether or not to load images. Click it once to stop Firefox from loading images, and click it again to allow images again. It's that simple!

    Christian Kuhl

    1,366 users

  • Popup ALT Attribute

    Popup ALT Attribute

    Popups alternate texts of images or others like NetscapeCommunicator(Navigator) 4.x.

    Piro (piro_or)

    1,361 users

  • Video Recorder

    Video Recorder

    Easily record video & audio from your computer's camera

    moris

    1,353 users

  • Clearly Reader

    Clearly Reader

    Your missing web reader

    Lesslab

    1,343 users

  • Tab Sidebar

    Tab Sidebar

    Adds a sidebar with foldable tabs.

    Nobuyuki Honda

    1,327 users

  • Default Zoom

    Default Zoom

    Set default zoom level for Firefox.

    Jamie Nguyen

    1,314 users

  • Furigana

    Furigana

    A web extension, Auto insert furigana (phonetic characters) on Japanese kanji.

    EYHN

    1,308 users

  • Block AI

    Block AI

    Blocks AI features on websites such as AI-assisted search results and chat.

    James Kerrane

    1,301 users

  • Search on Baidu

    Search on Baidu

    A menu option to search selected text on Baidu

    seinlin

    1,290 users

  • Click to Remove Element

    Click to Remove Element

    Remove annoying elements with a single click

    blade.sk

    1,289 users

  • Duplicate Tab

    Duplicate Tab

    Duplicates the current tab from keyboard shortcuts or when you click the icon Source, issues: https://github.com/Skeletonxf/duplicate-tab/

    Skeletonxf

    1,277 users

  • Cookies

    Cookies

    Turn on/off global browser cookies through the tap of a button. Note: Requires Firefox 59.0+) Nightly users please use Beta/Pre-release version.

    Happy-Ferret

    1,270 users

  • Firelux

    Firelux

    Reduces the color temperature of the browser by adding a filter on web pages.

    ValentinG_

    1,270 users

  • V3 - Get Old YouTube Layout (Launcher)

    V3 - Get Old YouTube Layout (Launcher)

    Project VORAPIS. V3 is the alternative solution to a fast and responsive YouTube frontend which combines performance with beauty, bringing back Google's best web layout.

    Reprety

    1,261 users

  • Telephone Number Detection

    Telephone Number Detection

    Automatically convert phone numbers into clickable links, compatible with many telephony applications.

    CTI-Telephony

    1,250 users

  • Open With Google Chrome

    Open With Google Chrome

    Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.

    Baris Derin

    1,247 users

  • LibrusPro

    LibrusPro

    Browser extension for the Polish Librus e-diary, introducing a dark theme, displaying grade point averages despite being disabled by the School Administrator, allowing to add custom events in the schedule and some minor improvements to its features.

    Maks Kowalski

    1,245 users

  • FontARA Font Changer ( for all sites )

    FontARA Font Changer ( for all sites )

    ✨ FontARA - The ultimate font changer for Persian, Arabic, Kurdish & Dari websites with more languages coming soon! 🚀 ----- ✨ فونت‌آرا - تغییردهنده حرفه‌ای فونت برای متون فارسی، عربی، کردی و دری - به زودی برای همه زبان‌ها! 🚀

    Mostafa Alahyari (@mimalef70)

    1,244 users

  • Netflix - Category Browser

    Netflix - Category Browser

    Simplest and lightest Netflix category browser you can find, explore more than 240 'hidden' categories including movies, series, documentaries and more!. Don't miss the opportunity to discover more than your Netflix home page!.

    juicenote

    1,238 users

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1,237 users

  • Right Links WE

    Right Links WE

    This extension allows to open links in new tabs with right-click directly and using “long” left-click. This is very useful for touchpads on notebooks and for mice without middle button.

    Infocatcher

    1,233 users

  • TubeMod

    TubeMod

    TubeMod allows you to customize YouTube's UI to your preferences, by keeping you focused on what matters!

    Pedro Gregório

    1,232 users

  • Super History & Cache Cleaner

    Super History & Cache Cleaner

    Clear your browser history, cache and cookies on a selected interval in just one click!

    Alexey Kuznetsov

    1,222 users

  • Tab Mover

    Tab Mover

    Move tabs between windows via the context menu.

    Guido Berhörster

    1,213 users

  • Add URL to Window Title (Advanced KeePass Usage)

    Add URL to Window Title (Advanced KeePass Usage)

    Add the full URL or hostname of the current web page to the window title. Designed to help other applications identify the current window. Helps KeePass (http://www.keepass.info) to identify the current URL for auto-type.

    Eric

    1,211 users