Extensions are like apps for your browser.

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

Recommended extensions
  • 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.

    391 517 users

  • Forget Me Not - Forget cookies & other data

    Forget Me Not - Forget cookies & other data

    Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.

    10 329 users

  • Cookie AutoDelete

    Cookie AutoDelete

    Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.

    170 725 users

  • SingleFile

    SingleFile

    Save an entire web page—including images and styling—as a single HTML file.

    38 228 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.

    1 079 359 users

  • DuckDuckGo Privacy Essentials

    DuckDuckGo Privacy Essentials

    Privacy, simplified. Our add-on provides the privacy essentials you need to seamlessly take control of your personal information, no matter where the internet takes you: tracker blocking, smarter encryption, DuckDuckGo private search, and more.

    1 087 585 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    924 396 users

  • Facebook Container

    Facebook Container

    Neleiskite „Facebook“ stebėti jūsų žiniatinklyje. Naršyklei „Firefox“ skirtas plėtinys „Facebook Container“ padeda valdyti jūsų veiklą ir ją izoliuoti nuo „Facebook“.

    1 648 242 users

Popular extensions
  • uBlock Origin

    uBlock Origin

    Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.

    4 005 692 users

  • Video DownloadHelper

    Video DownloadHelper

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

    2 389 376 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

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

    1 079 359 users

  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    924 396 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.

    920 081 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    171 475 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

    81 699 users

  • MYKI Password Manager & Authenticator

    MYKI Password Manager & Authenticator

    Offline P2P encrypted password manager & authenticator. Auto-fill Two-Factor Authentication (2FA) tokens.

    3 649 users