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

Log in

10,898 extensions found in Appearance

Filter results
Search results
  • Nuke Anything Enhanced

    Nuke Anything Enhanced

    Allows you to hide almost anything in any page via context menu

    Patrick Abi Salloum

    4,522 users

  • Pokémon Showdown Randbats Tooltip

    Pokémon Showdown Randbats Tooltip

    Enhanced Tooltip functionality for Pokémon Showdown Random Battle formats.

    pkmn

    4,499 users

  • Reload All Tabs

    Reload All Tabs

    Reload all tabs using keyboard shortcut or toolbar button.

    Glin

    4,485 users

  • Toolkit for YNAB

    Toolkit for YNAB

    UI customizations and tweaks for the web version of YNAB.

    Kevin Brown

    4,437 users

  • Microsoft Bing Search Engine

    Microsoft Bing Search Engine

    Set your search engine to Bing.com to check out the latest news, entertainment and sports each day and turn your searching into doing with Bing.

    Microsoft Corporation

    4,429 users

  • Talkie

    Talkie

    Select text on any web page, and have the computer read it out loud for you by simply clicking the Talkie button. 1. Select desired text on any web page. 2. Click the Talkie button in your browser bar. Or right click text, or use Alt+Shift+A.

    Joel Purra

    4,408 users

  • nightTab

    nightTab

    A neutral new tab page accented with a chosen colour. Customise the layout, style, background and bookmarks in nightTab.

    zombieFox

    4,298 users

  • Prolific Assistant

    Prolific Assistant

    Monitors https://prolific.com/ for new studies.

    Prolific

    4,258 users

  • Undo Close Tab Button

    Undo Close Tab Button

    Reopens the last closed tab.

    Button Guy

    4,226 users

  • Sound Adjustment

    Sound Adjustment

    Easily adjust various sound settings (volume, balance, etc.) via toolbar popup.

    keller

    4,224 users

  • Tab Manager Plus for Firefox

    Tab Manager Plus for Firefox

    Quickly find open tabs, see all windows in one view, find duplicates and limit tabs per window. The best Tab Manager for Firefox.

    Markus

    4,221 users

  • AutoFill Forms (WebExtension)

    AutoFill Forms (WebExtension)

    Fill out web forms automatically with a single click

    Sarah Av.

    4,197 users

  • RYS — Remove YouTube Suggestions

    RYS — Remove YouTube Suggestions

    Stop the YouTube rabbit hole. Customize YouTube's user interface to be less engaging.

    Lawrence

    4,181 users

  • TornTools

    TornTools

    Tools for Torn users.

    Mephiles

    4,174 users

  • Download Master

    Download Master

    Intercept downloads for Download Master, download a file or a group of files from the context menu.

    WestByte Software

    4,173 users

  • YouTube Enhancer 💻

    YouTube Enhancer 💻

    🚀 Enhance your YouTube experience with this powerful browser extension. Features include customizable volume control, automatic quality settings, playback speed adjustments, volume boost, and more. Build from scratch with easy steps.

    VampireChicken

    4,161 users

  • Page Screenshot

    Page Screenshot

    Take a screenshot from the entire website with just one click.

    Bernard

    4,160 users

  • Recipe Filter

    Recipe Filter

    This extension will detect recipes on any page you visit and will highlight them at the top of the page. No more hunting for the actual recipe when you visit a long-winded food blog! Fork of the excellent chrome extension.

    SargeZT

    4,136 users

  • YouTube Popout Player

    YouTube Popout Player

    Provides a simple way to open any YouTube video in a popout window

    Ryan Thaut

    4,121 users

  • Window Resizer

    Window Resizer

    Easily set the layout (size & position) of your browser window

    Kelvin

    4,085 users

  • Sauce for Strava™

    Sauce for Strava™

    Additional functionality for your cycling and running analysis. This extension upgrades the Strava™ website.

    Justin Mayfield

    4,075 users

  • AO3 Enhancements

    AO3 Enhancements

    Various tweaks and enhancements for ArchiveOfOurOwn.org

    Jas

    4,031 users

  • Yahoo Mail Hide Ad Panel

    Yahoo Mail Hide Ad Panel

    Permanently hides the Ads panel on the right side of New Yahoo! Mail, the 'Sponsored' email at the Top, and ads on the Left to give you a full-width Premium email experience for free! The other option, of course is to pay $50 a year to Yahoo! Inc. :)

    Piyush Soni

    3,939 users

  • Rotate Youtube Video (+ Zoom / Mirror)

    Rotate Youtube Video (+ Zoom / Mirror)

    Rotate - support 0°, 90°, 180°, 270° - affect Youtube video preview Zoom / Mirror - support long press +,- button * the value will be reset after pressing the reset button or the rotate button * not affect Youtube video preview

    znwyrz

    3,894 users

  • YouTube LiveChat Flusher (Danmaku Chat)

    YouTube LiveChat Flusher (Danmaku Chat)

    Provides bullet chatting (danmaku) on YouTube Live, like niconico or bilibili.

    _y_s

    3,847 users