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

Firefox for Android extensions

Personalise Firefox for Android with powerful extensions.

Recommended extensions
  • Video Background Play Fix

    Video Background Play Fix

    Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.

    222,247 users

  • SponsorBlock - Skip Sponsorships on YouTube

    SponsorBlock - Skip Sponsorships on YouTube

    Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app

    765,088 users

  • Tomato Clock - A Simple Pomodoro Timer

    Tomato Clock - A Simple Pomodoro Timer

    A simple browser extension for managing your productivity

    32,406 users

  • LeechBlock NG

    LeechBlock NG

    LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

    109,078 users

Explore all Android extensions
  • Reddit No Login Wall

    Reddit No Login Wall

    Removes Reddit's logged-out login walls and mobile app upsells while keeping normal login and sign-up controls available.

  • Awesome

    Awesome

    Capture any page as a screenshot, crop and annotate with arrows and text, then save or share the image. Full page, visible area, and selected region.

  • Free VPN HideMy

    Free VPN HideMy

    Unblock the sites with HideMy

  • Adblock

    Adblock

    Adblock: A lightweight, permissionless and user-friendly ad blocker for ads, trackers and malware.

    2,792 users

  • Save Image As Type - WebP to JPG, PNG, PDF

    Save Image As Type - WebP to JPG, PNG, PDF

    Convert WebP to JPG, or save any image as PNG, AVIF or PDF, straight from the right-click menu. Pick the folder and filename. Everything runs on your device - no image ever leaves it, and this build contains no analytics code at all.

    398 users

  • Redlib Redirect

    Redlib Redirect

    Redirect from Reddit to a privacy respecting alternative automatically. Note! For the add-on to work, you have to pick an instance in the settings menu of the add-on.

    153 users

  • ModHeader ✨ by modheader.app ✅

    ModHeader ✨ by modheader.app ✅

    ModHeader ✨ by modheader.app ✅ Modify change add edit update remove replace override HTTP request and response headers free.

    123 users

  • Claude

    Claude

    Set Claude as default search, use omnibox keyword clau, ask from selected text, and optionally send claude.ai new-chat links to Google instead.

    1,603 users