To use Android extensions, you'll need Firefox for Android. To explore Firefox for desktop add-ons, please visit our desktop site.

Log in

1,248 extensions found in Appearance

Filter results
Search results
  • Universal Video Skip

    Universal Video Skip

    Skip forward in videos with double-click or S key, works on all websites including mobile

    Beast

    35 users

  • YouTubeAdSkip

    YouTubeAdSkip

    Automatically mutes YouTube ads as soon as they appear. Skips ads within 1s of them appearing. Works on traditionally unskippable ads. Works with YouTube Music. Works on Firefox Android.

    Micah

    35 users

  • Show Pocket Button

    Show Pocket Button

    Show a pocket button and a close tab button on each active tab to save the web page.

    zhihaushiu

    34 users

  • Roblox Developer - Toolkit

    Roblox Developer - Toolkit

    Developer Toolkit gives you instant access to advanced developer settings, hidden tools, and quick controls for toggling features, managing configurations, testing, and debugging — all in one sleek interface, like a real developer.

    Trusted Developer Inc

    34 users

  • Gizmo AI Unlimited

    Gizmo AI Unlimited

    Unlimited hearts and hints for Gizmo AI quizzes — no interruptions, no paywalls, just studying.

    Alexey Fedorov

    34 users

  • Hue Light Controller

    Hue Light Controller

    Control your Philips Hue lights directly from Firefox. Adjust brightness, colors, scenes, and effects, manage groups, set timers, and even experiment with screen mirroring – all from your browser.

    fatalv.nu

    34 users

  • BangDD: DuckDuckGo bang buttons

    BangDD: DuckDuckGo bang buttons

    Adds a google bang in the duckduckgo search as buttons

    Shubham Chaudhary

    34 users

  • Meta Viewport Adder

    Meta Viewport Adder

    Adds the meta viewport tag only to sites that don't have it.

    Heinrich Lunge

    34 users

  • Steam+

    Steam+

    Расширение, дополняющий страницу Steam, добавляя новые функции, улучшая его работу.

    ZhuravlevX

    33 users

  • My Epitech Percentages (2025)

    My Epitech Percentages (2025)

    Show each project passing tests percentage on myresult.epitest.eu

    Esteban_

    33 users

  • TTS

    TTS

    Text to speech with voice rate and pitch controls

    Aghil Pelleas

    33 users

  • Youtube

    Youtube

    YouTube download: one click, no hassle.

    Tamasuki

  • Scroll Control

    Scroll Control

    Limit scrolling on user-specified websites to prevent time wasting. Typically this is most useful in limiting idle time on websites which implement 'infinite scroll'.

    Rubion Software

    32 users

  • Checkbox Controller

    Checkbox Controller

    A Mozilla Firefox extension that allows users to easily check or uncheck all checkboxes on any website.

    Firat

    32 users

  • YTPA - Play All For YouTube

    YTPA - Play All For YouTube

    YTPA, the popular userscript, now comes directly to your browser as extension! Adds the "Play All" button back to YouTube and improves it with random play and popular play. Even works on Shorts and Streams!

    Robert Wesner

    32 users

  • Moodle Dark Mode

    Moodle Dark Mode

    Dark Mode for Moodle. This works on any Moodle page.

    Hannes

    32 users

  • YT Music Visualizer

    YT Music Visualizer

    YouTube Musical Spectrum, a music visualizer for YouTube and YT Music.

    ursoenriquez213

    31 users

  • Mobilizer for SwiftDial

    Mobilizer for SwiftDial

    Unlocks special SwiftDial features on mobile browsers.

    nScript

    31 users

  • GitHub Repository Size

    GitHub Repository Size

    Displays the size of a GitHub repository on its homepage

    Pranav Mangal

    30 users

  • C.AI NoAds

    C.AI NoAds

    Removes an advertising banner in chat

    Deniska

    30 users

  • El País Clean

    El País Clean

    Elimina la publicidad de elpais.com. Además te permite leer todos los artículos sin subscripción

    Charles Foster Kane

    30 users

  • Kobo Price

    Kobo Price

    Find lowest book price on kobo.com

    foton

    29 users

  • Reading Progress Bar PRO

    Reading Progress Bar PRO

    Shows a customizable reading progress bar as you scroll through content

    Sumalya Chatterjee

    29 users

  • Strava Feed Filter

    Strava Feed Filter

    Advanced filtering for your Strava feed: keywords, types, distance, pace, elevation; mobile notifications; resizable panel; detailed stats viewer; real-time updates.

    inc21

    29 users

  • OSM Everywhere

    OSM Everywhere

    This Add-on hooks into map tile requests going to some commercial map services and replaces them with OpenStreetMap tiles

    Manuel Reimer

    28 users