To use these add-ons, you'll need to download Firefox.

Log in

9,368 extensions found in Privacy & Security

Filter results
Search results
  • HistoryBlock

    HistoryBlock

    Cover your tracks!

    Kain

    2,026 users

  • SpyHunter® Web Security

    SpyHunter® Web Security

    SpyHunter® Web Security identifies and blocks malicious web content and other potential security threats.

    EnigmaSoft Limited

    2,020 users

  • Enkrypt: ETH, BTC and Solana Wallet

    Enkrypt: ETH, BTC and Solana Wallet

    The best multichain crypto wallet.

    MyEtherWallet

    2,007 users

  • CookieBlock

    CookieBlock

    Automatically enforces cookie consent preferences to protect your privacy on any website you visit.

    CookieBlock Team

    1,995 users

  • Custom Style Script

    Custom Style Script

    Add custom JavaScript codes or styles to any page.

    Milen

    1,993 users

  • Containerise

    Containerise

    Automatically open websites in a dedicated container. Simply add rules to map domain or subdomain to your container.

    kintesh

    1,971 users

  • Transbay

    Transbay

    Transbay-Extension 是一款由亿格云科技有限公司开发并开放使用的Firefox浏览器数据防泄漏拓展，可与终端数据防泄漏软件搭配使用，保护您的组织浏览器或个人浏览器上的敏感数据。

    P0wfu_

    1,964 users

  • Cesium

    Cesium

    Receive and send Ğ1 libre currency

    Environmental Information Systems

    1,964 users

  • Spotify Adblock

    Spotify Adblock

    Block Spotify ads instantly. Skip audio and banner ads in the Spotify web player and enjoy uninterrupted music.

    Spoti

    1,964 users

  • Panic Button

    Panic Button

    Quickly hide all browser windows with a click of a button.

    AE Creations

    1,951 users

  • pCloud Pass - Password manager

    pCloud Pass - Password manager

    Easily log in to websites, autofill online forms and use suggested passwords without leaving your browser.

    pCloud

    1,942 users

  • Change Timezone (Time Shift)

    Change Timezone (Time Shift)

    Easily change your timezone to a desired value and protect your privacy.

    ilGur

    1,932 users

  • Website Blocker

    Website Blocker

    Block websites with ease!

    Wesley Branton

    1,927 users

  • SoftNet WebSign

    SoftNet WebSign

    Aplikacja do wykorzystywania podpisu kwalifikowanego w przeglądarce.

    SoftNet

    1,912 users

  • KProxy Extension for Firefox

    KProxy Extension for Firefox

    Official KProxy Extension. The best anonymous proxy solution for work.

    Sumalab

    1,911 users

  • Server IP

    Server IP

    Displays server IP address on every website

    Andy Portmen

    1,908 users

  • GOK eProcurement Digital Signer

    GOK eProcurement Digital Signer

    Extension for GOK eProcurement Application Digital Signing

    eprocdxc

    1,907 users

  • Shodan.io (DEPRECATED)

    Shodan.io (DEPRECATED)

    There is an official add-on for Shodan now - please switch to that one: https://addons.mozilla.org/en-US/firefox/addon/shodan-addon/

    Shodan

    1,900 users

  • Open external links in a container

    Open external links in a container

    This extension enables support for opening links in specific containers using custom protocol handler. It works for terminal, OS shortcuts and regular HTML pages.

    Denys H

    1,890 users

  • AdF.ly Skipper ★NOW WORKING: 9/13/2017★

    AdF.ly Skipper ★NOW WORKING: 9/13/2017★

    http://adfly-skipper.blogspot.com/ ✔ adf.ly ✔ atominik.com ✔ microify.com ✔ bluenik.com ✔ tinyium.com ✔ babblecase.com ✔ riffhold.com ✔ pintient.com ✔ getrom.net ...and more!

    Firefox user 6245458

    1,881 users

  • gooreplacer

    gooreplacer

    A browser extension to block/redirect URLs and modify headers

    Jiacai Liu

    1,876 users

  • Broken Link Checker

    Broken Link Checker

    A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames

    Balvin

    1,872 users

  • HTML5 Video Everywhere

    HTML5 Video Everywhere

    Replace video player with Firefox native video player

    lejenome

    1,870 users

  • Laboratory (Content Security Policy / CSP Toolkit)

    Laboratory (Content Security Policy / CSP Toolkit)

    Because good website security shouldn't only be available to mad scientists! Laboratory is a WebExtension that helps you generate a Content Security Policy (CSP) header for your website.

    April King

    1,826 users

  • Tracking & Ad Removal on Facebook

    Tracking & Ad Removal on Facebook

    Removes Ads and the user interaction tracking on Facebook™. Modified elements can optionally have a custom CSS style applied to them so that cleaned items can be more easily identified.

    Z

    1,821 users