Extensions are like apps for your browser.

They add features to Firefox to make browsing faster, smarter, or just plain fun.

Recommended extensions
  • Easy Youtube Video Downloader Express

    Easy Youtube Video Downloader Express

    A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.

    557,896 úsáideoir

  • SingleFile | Save a page as a single HTML file

    SingleFile | Save a page as a single HTML file

    Save a complete page (with stylesheets, images, etc.) as a single HTML file

    17,080 úsáideoir

  • YouTube High Definition

    YouTube High Definition

    YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.

    132,247 úsáideoir

  • Youtube Audio

    Youtube Audio

    Stream just the audio from YouTube to save bandwidth and battery life

    10,736 úsáideoir

Popular themes
Enhanced privacy extensions
  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1,440,692 úsáideoir

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    888,665 úsáideoir

  • 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.

    249,307 úsáideoir

  • Facebook Container

    Facebook Container

    Ná lig do Facebook tú a rianú ar fud an ghréasáin. Cabhraíonn an breisiú Facebook Container le Firefox leat dul i gceannas ar do ghníomhaíocht gréasáin agus é a scaradh amach ó Facebook.

    979,154 úsáideoir

Popular extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient blocker. Easy on CPU and memory.

    5,373,547 úsáideoir

  • NoScript Security Suite

    NoScript Security Suite

    The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.

    1,670,108 úsáideoir

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

    Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.

    1,440,692 úsáideoir

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    888,665 úsáideoir

Recommended themes
Recommended password managers
  • LastPass Password Manager

    LastPass Password Manager

    LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

    956,367 úsáideoir

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

    A secure and free password manager for all of your devices.

    173,847 úsáideoir

  • 1Password X – Password Manager

    1Password X – Password Manager

    The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.

    74,617 úsáideoir

  • RoboForm Password Manager

    RoboForm Password Manager

    RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically

    91,320 úsáideoir