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

Log in

17,914 extensions found in Appearance

Filter results
Search results
  • ZoomPin

    ZoomPin

    Pin custom zoom levels to sites, URL prefixes, or wildcard patterns.

    PC FIX-IT Perth

    1 user

  • TimeShift Captions

    TimeShift Captions

    Adjust caption timing quickly for better synchronization.

    Sahar

    1 user

  • WidePlayer

    WidePlayer

    Make supported in-feed videos wider without going fullscreen.

    mixon00

    1 user

  • IOS Home Page

    IOS Home Page

    🖤 Расширение делает домашнюю вкладку в стиле IOS, темной и минималистичной. Вместо стандартной страницы вы получаете стильный стартовый экран с часами, датой, поиском, быстрыми ссылками и плавными анимациями. В настройках можно менять внешний вид

    Focus Shade

    1 user

  • PDF Dark Mode Eye Care

    PDF Dark Mode Eye Care

    An extension to change PDF backgrounds to Black, Gray, or Navy for eye protection.

    0ff_Pl2nt

    1 user

  • Lark

    Lark

    Fixes input boxes on dark themes. Some pages only set the background color / text color for input boxes assuming that the text / background is standard white/black respectively. This isn't true for dark themes and this add-on fixes that.

    Webionite

    1 user

  • Code Line Inspector

    Code Line Inspector

    Display line numbers and syntax info for every code file.

    Angelica

    1 user

  • Funimation Spoiler Blocker

    Funimation Spoiler Blocker

    Cover up any spoilers before the video plays on Funimation.com

    base

    1 user

  • CSV to JSON Lines Converter

    CSV to JSON Lines Converter

    Transform CSV table rows into individual NDJSON line records.

    Junior

  • Smart Word Marker

    Smart Word Marker

    Mark important words while you browse the web.

    Tori

    1 user

  • Anime Mode

    Anime Mode

    Apply anime-style coloring effects to text, images.

    dev.official

    1 user

  • Auto scroll to anchor on dynamic pages

    Auto scroll to anchor on dynamic pages

    Tries to scroll to an anchor on pages with dynamic content loading by repeatedly scrolling down. Handles hash changes.

    Игорь Лебедев

    1 user

  • Comment Vibe: on-device check

    Comment Vibe: on-device check

    See how your comment sounds before you post. Comment Vibe uses Firefox's on-device AI to flag the tone of what you're typing — positive, neutral, negative or toxic, in ~100 languages — right next to the box. 100% private: nothing leaves your browser.

    Kamil Dzieniszewski

    1 user

  • S**tinator

    S**tinator

    Add this app to your browser and replace all instances of "Spurs" with "S*t."

    Firefox user 13846433

    1 user

  • Tab Manager - Quick Switch

    Tab Manager - Quick Switch

    Easily manage and switch between open tabs with a simple and intuitive interface.

    shreya

    1 user

  • ProfitRoom Reservation Card Helper

    ProfitRoom Reservation Card Helper

    Personal addon that supports adding clean names and room numbers to mail reservation cards.

    Pukeen

    1 user

  • MokyCompy

    MokyCompy

    MokyCompy displays a companion in the active tab and sends messages to a web AI chosen by the user.

    BlackparaDev

    1 user

  • Restrict

    Restrict

    This is an add-on to restricts google and its products and to show some colorful themes .

    dheerajsrinu

    1 user

  • Auto Dark Theme for Discord

    Auto Dark Theme for Discord

    Make Discord automatically match your system's dark/light theme.

    Zachary Yaro

    1 user

  • xnpm

    xnpm

    Adds a link to view npm packages on npmx.dev

    tbeseda

    1 user

  • Better GIU/GUC CMS

    Better GIU/GUC CMS

    A better way to use GIU/GUC CMS

    Omar M. Youssef

    1 user

  • Search on YouTube

    Search on YouTube

    Search selected text on YouTube

    yaagame

    1 user

  • Snowball.club, Grow on X

    Snowball.club, Grow on X

    Boost your X (Twitter) growth - Personalized tweet and reply AI suggestions, tweet filters and more!

    Snowball.club

    1 user

  • ReContainer

    ReContainer

    Super lightweight container extension. Automatically open domains in specified containers.

    anon

    1 user

  • Zap Off for Gmail

    Zap Off for Gmail

    A minimal extension which replaces the Compose and Send buttons with Zap Off and Zap buttons respectively.

    Farmer Dan

    1 user