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

Log in

17,287 extensions found in Appearance

Filter results
Search results
  • Video Maximizer

    Video Maximizer

    Zoom in on videos from any website in the entire window

    seizing

    44 users

  • My Reading Mode

    My Reading Mode

    Show web pages as a reading mode with your defines.

    TNK Software / Tanaka Yusuke

    44 users

  • Color Materialize - color pick

    Color Materialize - color pick

    Smartest HEX or RGB color code picker tool for your browser.

    codehemu

    44 users

  • Annotating the Web

    Annotating the Web

    Add-on, by Mediamaster.eu, to easily add annotation functionality to any webpage

    Francesco De Stefano

    44 users

  • Hide Collection-Only Button for eBay

    Hide Collection-Only Button for eBay

    Adds a button to hide Collection-Only items on eBay.

    Makeshift

    44 users

  • YouTube via iFrame (ad-free)

    YouTube via iFrame (ad-free)

    This YouTube AdBlock iFrame module allows you to replace YouTube videos with iframes. Ads are blocked on iframes due to cross-origin resource sharing (CORS) restrictions.

    Nostrum

    44 users

  • Ratings Preview for YouTube™

    Ratings Preview for YouTube™

    Show the likes and dislikes bar over every video thumbnail in YouTube so that you can know its rating before watching it.

    Ratingspreview for Youtube

    44 users

  • Salesforce Colored Favicons (MF)

    Salesforce Colored Favicons (MF)

    Apply unique Salesforce favicon color based on custom domain / org hostname. Inspired by Steve Babula's Salesforce Colored Favicons Chrome Extension.

    Maciej Kilijański

    44 users

  • 1-Click Youtube Repeat (with Play Counter)

    1-Click Youtube Repeat (with Play Counter)

    Click to repeat any Youtube video and keep track of total plays.

    1ClickProduct

    44 users

  • Switch for YouTube

    Switch for YouTube

    Would you still like to be able to enjoy Youtube's old look? Button "Restore old design" disappeared? Here is a solution. You decide which appearance is better. This extension allows you to switch between old and new designs.

    Firefox user 13931041

    44 users

  • AQW Wiki Enhanced

    AQW Wiki Enhanced

    Enhances the AQW Wiki Experience with tons of built-in features. Forged by Chaos Eye.

    60GHz

    44 users

  • The VP Extension

    The VP Extension

    Browser extension for the virtualpopstar.com website

    enbette

    43 users

  • MuteTab

    MuteTab

    Mute tabs by url. if URL not set, addon is disabled. if URL matches target URL, the tab will be muted and if not matches, it will be unmuted.

    Lijun Wu

    43 users

  • Remote Player for VLC™

    Remote Player for VLC™

    Controls VLC player via toolbar popup UI

    moris

    43 users

  • Please Stand Up

    Please Stand Up

    Alert all developers, to standup after an hour to live the healthy life and code more

    TheWebDev

    43 users

  • Old Wiki Redirect

    Old Wiki Redirect

    Makes Wikipedia look like it used to.

    Swiftness0696

    43 users

  • Peekier search engine

    Peekier search engine

    Adds a search engine that searches peekier.com

    Philip Edwards

    43 users

  • TST Mark Tabs

    TST Mark Tabs

    Manually color tabs in Tree Style Tab's sidebar.

    Lej77

    43 users

  • Markdown Viewer

    Markdown Viewer

    Render Markdown files as styled HTML with themes, syntax highlighting, TOC, Mermaid and KaTeX.

    Burlac MIhail

    43 users

  • Gemini Full Width Tables

    Gemini Full Width Tables

    Automatically expands Gemini tables to full width while keeping chat centered.

    general stix

    43 users

  • IPAfy

    IPAfy

    Transcribes English web pages into International Phonetic Alphabet (IPA).

    zale

    43 users

  • AI助手复制工具

    AI助手复制工具

    1. 为AI助手平台（千问、文心、豆包、元宝、百度）添加复制按钮。 2. 整理markdown文本并去除参考文献角标（豆包默认已不再产生角标）

    郭大发财

    43 users

  • Old Fashion Description

    Old Fashion Description

    Reverts the YouTube description back to what it used to be.

    Ryan Szczepanski

    43 users

  • Tab Manager

    Tab Manager

    A smart and stylish tab manager extension that shows all open tabs, allows you to close, save, pin/unpin, and organize tabs into pinned and non-pinned categories. Includes tab count and 'Close All' feature.

    Ayush097

    43 users

  • Hide Chess.com Opponent

    Hide Chess.com Opponent

    Hide opponent details on Chess.com for a distraction-free, focused playing experience.

    maxdev

    43 users