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

Log in

16,913 extensions found in Appearance

Filter results
Search results
  • Dual Subtitles & AI Translation - InterSub

    Dual Subtitles & AI Translation - InterSub

    Language learning with dual subtitle translator dualsub to immersive translate meaning of words: Spanish to English, to Japanese etc

    InterSub

    1,337 users

  • Spotify Player

    Spotify Player

    Spotify Player Firefox's extension

    David Nguyen

    1,336 users

  • WindowSizer

    WindowSizer

    Quickly resize the window to one of your favorite sizes

    Dr. Cheap

    1,336 users

  • Tab Count Icon

    Tab Count Icon

    A simple tab counter. Shows number of open tabs.

    lllusion3418

    1,333 users

  • Github Download Button

    Github Download Button

    Adds a download button on Github files

    Grooby

    1,333 users

  • vToad New Tab Page - Custom Live Wallpapers

    vToad New Tab Page - Custom Live Wallpapers

    Upload and set your own videos as your new tab live wallpaper, create shortcuts, set theme colors and more!

    vToad

    1,328 users

  • Fullscreen Plus

    Fullscreen Plus

    Full screen websites without address/tabs bar. Use Ctrl+Shift+F to enter Fullscreen

    Trishul

    1,326 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

    1,323 users

  • New window without toolbar

    New window without toolbar

    Open current page in new window without toolbar.

    tkrkt

    1,321 users

  • Let's get color blind

    Let's get color blind

    Simulates information a color blind person receives and/or adds a daltonization filter. This addon can be used for testing a website accessibility for the color blind and / or to educate (yourself) on the topic of color blindness.

    Nullbrains

    1,316 users

  • Unblur The Page

    Unblur The Page

    Unblur the page duh!

    Kushagra Singh

    1,312 users

  • GX Theme Styles

    GX Theme Styles

    Personalize your browser with our preset GX themes or choose your favorite colors and give your browser your personal style.

    GODIE

    1,303 users

  • Duolingo Max

    Duolingo Max

    Gives Duolingo Max features for free

    apersongithub

    1,298 users

  • Linkificator

    Linkificator

    Converts text links into clickable links...

    MarkaPola

    1,285 users

  • DOCX Viewer

    DOCX Viewer

    Allows you to view docx documents using docxjs.

    def00111

    1,284 users

  • Window Resizer

    Window Resizer

    Resize the browser window. The resolution list supports customization.

    antwhere.com

    1,279 users

  • Unscroll Instagram

    Unscroll Instagram

    Only shows you content from people you follow and disables the "reels" and "explore" tab on Instagram.

    Asyncrom

    1,277 users

  • AutoPagerize Advanced

    AutoPagerize Advanced

    A customized version of the Autopagerize extension created by swdyh

    John

    1,272 users

  • Proxy Switcher

    Proxy Switcher

    Easily switch between multiple proxies via toolbar popup

    Allen

    1,269 users

  • YouTube Uninterrupted

    YouTube Uninterrupted

    Prevents YouTube from pausing videos with the 'Continue watching?' dialog, allowing uninterrupted playback of music, podcasts, and long-form content. This add-on is 100% free and open-source.

    Labinator

    1,266 users

  • YouTube Channel Blocker

    YouTube Channel Blocker

    特定のチャンネルの動画を非表示にします (Block videos from specific channels.)

    ASK_Studio

    1,265 users

  • ytcFilter

    ytcFilter

    The most powerful and intuitive YouTube chat filter extension.

    RomainLK

    1,252 users

  • ThemeSong for YouTube Music™ (Dynamic Themes)

    ThemeSong for YouTube Music™ (Dynamic Themes)

    Enhancer for YouTube Music™. Dynamic Themes, Visualizers, Lyrics, Sleep Timer, and more!

    Kris T

    1,250 users

  • Popup ALT Attribute

    Popup ALT Attribute

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

    Piro (piro_or)

    1,248 users

  • Selection Context Search

    Selection Context Search

    - Right click on a selected text and choose the search website from the popup window or the context menu - Edit the website list in Add-on Options page or by using the Bookmarks - Unlimited depth of nested folders in the context menu

    ContainersOnTheGo

    1,244 users