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
  • Yomitan

    Yomitan

    Powerful and versatile pop-up dictionary for language learning used by 100,000+ language learners.

    40,163 users

  • Imagus

    Imagus

    With a simple mouse-over you can enlarge images and display images/videos from links.

    53,241 users

  • 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.

    220,017 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block hidden trackers. Made by the leading digital rights nonprofit EFF to stop companies from spying on you.

    1,792,303 users

Explore all Android extensions
  • Instagram Downloader

    Instagram Downloader

    Download Instagram videos with one click. Save Reels, stories, and posts free with unlimited downloads from Instagram.

  • Video Download Helper

    Video Download Helper

    Download YouTube video with one click, no hassle. Support Full HD, 1080p, or audio-only.

    573 users

  • Duckduckgo

    Duckduckgo

    Set DuckDuckGo as your default search engine for fast, private, ad-free search. Block trackers, protect your data, and browse anonymously.

  • Website Media Downloader

    Website Media Downloader

    Website Media Downloader automatically detects and downloads videos, audio, images, and live streams from websites. Supports HLS/DASH streams, fast multi-thread downloads, batch downloading, and 100% local processing for maximum privacy.

    809 users

  • WebRequest Rules

    WebRequest Rules

    Customize web requests by coding JavaScript yourself.

    182 users

  • Cookie

    Cookie

    Instantly removes cookie consent popups so you can browse distraction-free. A lightweight banner blocker for any website - fully GDPR-aware.

    98 users

  • YT Premium

    YT Premium

    Youtube adblock and Premium features for free

    1,846 users

  • Anthropic

    Anthropic

    Chat with Claude AI directly in your browser sidebar. Summarize articles, explain code, translate pages, and get instant answers without switching tabs.

    889 users