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

Personalize Firefox for Android with powerful extensions.

Recommended extensions
  • Stylus

    Stylus

    Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.

    132,640 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

    Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

    1,742,832 users

  • Decentraleyes

    Decentraleyes

    Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

    244,663 users

  • Notefox: websites notes

    Notefox: websites notes

    Take notes on every website in a smart and simple way!

    12,282 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.

  • FireShot

    FireShot

    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