Extensions

Explore powerful tools and features to customize Firefox and make the browser all your own.

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Recommended extensions
  • AdBlocker Ultimate

    AdBlocker Ultimate

    Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.

    904 631 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.

    921 081 users

  • Block Site

    Block Site

    A customizable, password-protected website blocker and redirector.

    33 211 users

  • 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.

    1 077 971 users

Top rated extensions
  • 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.

    282 787 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    212 777 users

  • Swift Selection Search

    Swift Selection Search

    Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!

    15 723 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.

    38 223 users

Trending extensions
  • B!tch to Boss

    B!tch to Boss

    Online harassment is a problem. The solution? People being less terrible. Until then, this extension replaces "bitch" and other derogatory words like it with "boss" all across the internet.

    3 526 users

  • Facebook Container

    Facebook Container

    Neļaujiet Facebook izsekot jūs tīmeklī. Pārlūkam Firefox paredzētais paplašinājums Facebook Container palīdzēs jums pārņemt kontroli un izolēt jūsu tīmekļa aktivititāti no Facebook.

    1 988 379 users

  • 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

    41 621 users

  • Metastream Remote

    Metastream Remote

    Watch streaming media with friends.

    10 307 users