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

Log in

17,176 extensions found in Appearance

Filter results
Search results
  • YouTube Thumbnail Size Fixer

    YouTube Thumbnail Size Fixer

    Fix YouTube's layout: Display 4-12 videos per row instead of 3. Reduce scrolling & hide Shorts. Simple & fast!

    Chris

    1,193 users

  • Tab Sidebar

    Tab Sidebar

    Adds a sidebar with foldable tabs.

    Nobuyuki Honda

    1,192 users

  • FindFlix: Netflix Secret Category Finder

    FindFlix: Netflix Secret Category Finder

    Quickly and Easily search for movies and TV series on Netflix using FindFlix to see Netflix's hidden categories.

    Rich McGrew

    1,178 users

  • Default Zoom

    Default Zoom

    Set default zoom level for Firefox.

    Jamie Nguyen

    1,165 users

  • Tab Mover

    Tab Mover

    Move tabs between windows via the context menu.

    Guido Berhörster

    1,155 users

  • Firelux

    Firelux

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

    ValentinG_

    1,147 users

  • Drag-able Full-Screen Button

    Drag-able Full-Screen Button

    Double click a drag-able button to enter and exit full-screen mode. The new version also has an options page to set the location of the dot around four corners of the screen.

    Ohohyugioh

    1,142 users

  • Dimensions

    Dimensions

    A tool for designers to measure screen dimensions

    Felix Niklas

    1,141 users

  • YouTube SpeedUp

    YouTube SpeedUp

    A simple Firefox extension to speed up YouTube videos.

    GoliafRS

    1,135 users

  • Super Dark Mode

    Super Dark Mode

    Switch website you want to dark mode. Dark mode will help devices save battery and reduces strain on your eyes.

    Arturito Roman

    1,125 users

  • Ream - Reader Mode

    Ream - Reader Mode

    Simplifies web pages for distraction-free reading by removing ads, sidebars, and unnecessary formatting, leaving only the essential text and images.

    zsheng

    1,119 users

  • Audio Only for YouTube™

    Audio Only for YouTube™

    Listen to audio (no video) in YouTube and all embedded videos.

    Sevina

    1,116 users

  • Cookie

    Cookie

    Instantly removes cookie consent popups so you can browse distraction-free. A lightweight banner blocker for any website - fully GDPR-aware.

    No GDPR!

    1,115 users

  • Defund Wikipedia

    Defund Wikipedia

    Deletes donation notices of Wikipedia.

    Kritika Sen

    1,113 users

  • AdBlock Bypass Detector & Popup Remover

    AdBlock Bypass Detector & Popup Remover

    Remove overlays, sticky headers, and anti-adblock walls. Includes Reader Mode, Dark Mode, and a custom Element Zapper

    CieloWeb

    1,113 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

    1,109 users

  • Canvas Fingerprint Defender

    Canvas Fingerprint Defender

    Defending against canvas fingerprinting by reporting a fake value.

    ilGur

    1,106 users

  • Add a Download button on YouTube

    Add a Download button on YouTube

    This extension allows you to download sounds or videos directly from YouTube.

    Nostrum

    1,105 users

  • Pokémon Showdown FR

    Pokémon Showdown FR

    Pokémon Showdown traduit intégralement en français !

    Sykless

    1,104 users

  • ExHentai Helper

    ExHentai Helper

    Enhances exhentai.org with multiple reading modes, a grid view, keyboard shortcuts, and a browsing history.

    KT-999

    1,100 users

  • BewlyCat

    BewlyCat

    Just make a few small changes to your Bilibili homepage.

    Keleus

    1,099 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

    1,095 users

  • eSnipe Snipe Tool

    eSnipe Snipe Tool

    Places a Snipe button on eBay auction pages. When clicked, the item will be added to our website to be bid on in the final seconds.

    SNIPEbiz, LLC

    1,087 users

  • Open in Reader View

    Open in Reader View

    Easily access to the reader-view from right click context menu

    tlintspr

    1,084 users

  • Video Styler (brightness and more)

    Video Styler (brightness and more)

    Extension allows you to adjust the brightness for all video players on websites, as well as apply advanced filters to video!

    Erick

    1,080 users