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RECOMMENDED

FoxClocks

Display current worldwide times in Firefox's status bar.
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Extensions are like apps for Firefox.

They add features to Firefox to make browsing faster, safer, or just plain fun.
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Top anti-tracking extensions
Top anti-tracking extensions
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Image search extensions
Image search extensions
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YouTube customization
YouTube customization
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Enhanced privacy extensions
  • Privacy Badger

    Privacy Badger

    Automatically learns to block invisible trackers.

    1,001,323 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

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

    1,166,455 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.

    724,383 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.

    1,491,342 users

Strong 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.

    780,265 users

  • Bitwarden - Free Password Manager

    Bitwarden - Free Password Manager

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

    413,197 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

    70,999 users

  • MYKI Password Manager & Authenticator

    MYKI Password Manager & Authenticator

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

    5,669 users

Elite ad blockers
  • uBlock Origin

    uBlock Origin

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

    5,261,135 users

  • AdBlock for Firefox

    AdBlock for Firefox

    The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

    1,018,688 users

  • AdGuard AdBlocker

    AdGuard AdBlocker

    Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

    641,759 users

  • Ghostery – Privacy Ad Blocker

    Ghostery – Privacy Ad Blocker

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

    1,166,455 users

“search” tagged extensions
  • Search by Image

    Search by Image

    A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

    194,791 users

  • TinEye Reverse Image Search

    TinEye Reverse Image Search

    Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.

    57,672 users

  • Image Search Options

    Image Search Options

    A customizable reverse image search tool that conveniently presents a variety of top image search engines.

    49,123 users

  • Web Archives

    Web Archives

    View archived and cached versions of web pages on 10+ search engines, such as the Wayback Machine, Archive․is, Google, Bing, Yandex, Gigablast, WebCite, Sogou, Memento, Naver and Yahoo Japan.

    28,297 users