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

Log in

18,026 extensions found in Appearance

Filter results
Search results
  • My Reading Mode

    My Reading Mode

    Show web pages as a reading mode with your defines.

    TNK Software / Tanaka Yusuke

    47 users

  • Markdown to JIRA

    Markdown to JIRA

    A right click menu entry to automatically convert Markdown syntax in JIRA's Markup (and the other way around).

    Paolo Antinori

    47 users

  • Open in Chrome

    Open in Chrome

    Open current page, link, or all tabs in the Chrome browser.

    BP Gaming

    47 users

  • Video Maximizer

    Video Maximizer

    Zoom in on videos from any website in the entire window

    seizing

    47 users

  • Rumble Resize

    Rumble Resize

    Make Rumble Theatre Mode fill the entire browser window.

    Michael Riley

    47 users

  • Tab Deduper

    Tab Deduper

    Cleans up duplicate tabs automatically.

    nosoop

    47 users

  • Expand YT Music Volume Slider

    Expand YT Music Volume Slider

    Expands Youtube Music's Volume Slider.

    dudegrim

    47 users

  • usi (User|Unified Script Injector)

    usi (User|Unified Script Injector)

    use UserScripts on your Firefox for Android with usi!

    USI

    47 users

  • File this for me

    File this for me

    File this content for me, so save it, mail it or dig it in my own way.

    Janghou

    47 users

  • ShowMeOdds

    ShowMeOdds

    A Mozilla extension that works with the conversion between decimal and American odds formats.

    Erik Aru

    47 users

  • WhatsApp Blur - Privacidade

    WhatsApp Blur - Privacidade

    Proteja sua privacidade ao usar o WhatsApp Web em cafés, transportes públicos, escritórios ou qualquer lugar onde outras pessoas possam ver sua tela.

    gio

    47 users

  • AiHome新标签页-AI上网助手

    AiHome新标签页-AI上网助手

    AI助手集成GPT-4和DeepSeek，随时随地进行高级 AI 搜索、阅读、写作和办公，提升工作效率。

    AiHomeTab

    46 users

  • Show Close Tab Button

    Show Close Tab Button

    Show a close tab button or some useful buttons on each active tab. And you can add buttons and set the arrangement and position of buttons yourself.

    zhihaushiu

    46 users

  • Roblox Banned User Checker

    Roblox Banned User Checker

    This extension grabs data from an api to correctly display info on banned users on Roblox, it also adds a button to go to their profile. It relies on the extension RoGold for profile viewing however.

    korbinoyo

    46 users

  • Please Stand Up

    Please Stand Up

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

    TheWebDev

    46 users

  • Закладки Speed Dial

    Закладки Speed Dial

    Превратите новую вкладку в панель закладок! Карточки с иконками, навигация по папкам, поиск, настройки фона. Добавляйте закладки прямо из интерфейса. Быстрый доступ к сайтам.

    Dylics

    46 users

  • Move Tabs

    Move Tabs

    Move tabs around

    Moti Korets

    46 users

  • ExCiter

    ExCiter

    Extracts citations by deleting unwanted bracketed citations and parentheses

    lastlegume

    46 users

  • Open With Opera

    Open With Opera

    Open With Opera sends pages, links, tabs and images from Mozilla Firefox to Opera.

    Baris Derin

    46 users

  • AfterSearchWE

    AfterSearchWE

    A better way for "Search on page". This project is aimed at replacing SearchWP. (Actually it's like safari extension "AfterSearch".) Each keyword you entered in the search bar is displayed as a search-on-page button.

    BitPositive

    46 users

  • Urdu Arabic Persian Uyghur - Font / Size Change

    Urdu Arabic Persian Uyghur - Font / Size Change

    Size & Font Changer in ANY Website Like Twitter,Facebook, Wikipedia etc.Any site as long as there's text in Arabic,Urdu,Persian, Punjabi, Azerbaijani, Uzbek, Turkmen, Kazakh, Kurdish, Somali, Pashto, Balochi, Dari, Kashmiri, Sindhi, Bengali, Hindi

    Shahmeer

    46 users

  • Website scripting

    Website scripting

    Developers can add javascript codes in webpage. Like customizing other websites with our own codes.

    Anbarasan

    46 users

  • GeminiCopy (LaTeX)

    GeminiCopy (LaTeX)

    Lets you copy LaTeX directly from Gemini with one click :).

    Grovalyn

    46 users

  • Web Element Remover

    Web Element Remover

    Remove Unwanted Elements on Websites

    Bender Bureau

    46 users

  • Zen Social

    Zen Social

    A simple extension to hide metrics on Twitter/X, Bluesky, and Mu.Social (number of likes/retweets/views/reposts/comments)

    Siddhartha

    46 users