Extensions are like apps for your browser.

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

Recommended extensions
  • Download Manager (S3)

    Download Manager (S3)

    View and manage downloads from a tidy status bar This is a new life in Firefox 26+ for old well-known addon Download Statusbar New Features: Replace Downloads Library page. Now you have full control of your downloads history!

    81 383 users

  • HTTPS Everywhere

    HTTPS Everywhere

    Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

    672 217 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.

    30 650 users

  • Iridium for YouTube

    Iridium for YouTube

    YouTube with more freedom

    12 122 users

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.

    1 264 203 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    751 733 users

  • Decentraleyes

    Decentraleyes

    Kaitseb sind "tasuta", tsentraliseeritud sisu edastamisest tuleneva jälitamise vastu. Keelab taotlused võrgustikesse nagu Google Hosted Libraries, asendades need kohalike failidega, et saidid jätkuvalt töötaksid. Täiendab tavalisi sisublokeerijaid.

    213 205 users

  • Facebook Container

    Facebook Container

    Ärge laske Facebookil teid veebis jälgida. Firefoxi laiendus Facebook Container aitab teil olla olukorra peremees ja isoleerib teie veebitegevused Facebookist.

    777 239 users

Popular extensions
  • uBlock Origin

    uBlock Origin

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

    5 045 586 users

  • Video DownloadHelper

    Video DownloadHelper

    The easy way to download and convert Web videos from hundreds of YouTube-like sites.

    2 775 264 users

  • NoScript Security Suite

    NoScript Security Suite

    The best security you can get in a web browser! Allow active content to run only from sites you trust, and protect yourself against XSS other web security exploits. Disabled and can't reinstall? https://tinyurl.com/moz-ext-cert

    1 568 722 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

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

    1 264 203 users

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.

    896 699 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    138 788 users

  • 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.

    56 021 users

  • 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

    88 162 users