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

Log in

11,156 extensions found in Privacy & Security

Filter results
Search results
  • Text Selection Unblocker

    Text Selection Unblocker

    Enable Text Selection on All Websites – Allows unrestricted text selection and copying on any site by overriding restrictive CSS properties.

    Cyber Wise

    915 users

  • AliExpress Bundle Skipper

    AliExpress Bundle Skipper

    Redirects AliExpress bundle deal pages to the single product page

    Zolex

    904 users

  • Twitter to Nitter

    Twitter to Nitter

    Redirects Twitter (X) links to Nitter. That's it.

    a catgirl

    901 users

  • ZoogVPN - Free VPN & Proxy

    ZoogVPN - Free VPN & Proxy

    Simple and reliable VPN for Firefox that connects instantly.

    Zoog Developer

    901 users

  • Strongbox AutoFill

    Strongbox AutoFill

    Strongbox AutoFill is an Add-on to allow Strongbox users to fill in usernames, passwords and other credentials seamlessly in your browser.

    Phoebe Code Limited

    898 users

  • Custom UserAgent String

    Custom UserAgent String

    Add a custom useragent string for desired URLs or domains.

    Linder

    896 users

  • Duck.ai Chat on Sidebar

    Duck.ai Chat on Sidebar

    (Unofficial) Fast and anonymous, DuckDuckGo's privacy-first AI Chats now available on your sidebar for free. Supports OpenAI ChatGPT, Claude, Llama and Mixtral. Respects your privacy. Free of charge. No need to register or login.

    Koala Yeung

    890 users

  • Total Privacy For WhatsApp Web

    Total Privacy For WhatsApp Web

    Blur and Hides your messages until you hover over them.

    kirwako

    885 users

  • IPBurger Proxy & VPN

    IPBurger Proxy & VPN

    IPBurger Extension is an advanced proxy management tool that enhances Firefox's limited proxying capabilities. IPBurger provides premium Proxies & VPN for Business.

    IPBurger

    885 users

  • Allow Copy Plus

    Allow Copy Plus

    Unlocks content with allow copy feature.

    Vavi

    884 users

  • UnDistracted - Hide Facebook, YouTube Feeds

    UnDistracted - Hide Facebook, YouTube Feeds

    Rise above the time-sinks

    Nauka

    883 users

  • 浏览器盒子｜网页阅读与净化助手

    浏览器盒子｜网页阅读与净化助手

    浏览器盒子是一款网页阅读与净化助手，支持专注阅读、页面目录、高亮备注、稍后阅读、复制解锁、Markdown复制、广告与遮挡清理及元素永久隐藏。可为不同网站保存个性化规则，所有设置和阅读数据仅保存在浏览器本地。

    业余选手

    880 users

  • Trufflehog

    Trufflehog

    Sniffing out credentials

    iamxhunt3r

    879 users

  • Copy As Plain Text

    Copy As Plain Text

    Easily copy the selected text without formatting to the clipboard via right-click menu.

    ilGur

    877 users

  • Auto Shutdown (WebExtension)

    Auto Shutdown (WebExtension)

    Shutdown, hibernate, restart, suspend, or run a custom command when all downloads are finished

    Sarah Av.

    876 users

  • Self-Destructing Cookies (WebEx)

    Self-Destructing Cookies (WebEx)

    Delete cookies when browser is closed or once the tab is closed to prevent possible trackings (similar to Ove's Self-Destructing Cookies which is not compatible with FF57 anymore)

    Joue

    863 users

  • YouTube no Buffer (no autoplay)

    YouTube no Buffer (no autoplay)

    Prevents YouTube HTML5 and Flash players from auto-buffering (auto-playing) videos

    James Fray

    861 users

  • PocketUniverse

    PocketUniverse

    We protect your web3 assets.

    Justin Phu

    857 users

  • Website and IP address blocker

    Website and IP address blocker

    Block Websites and IP address. Additional feature: Option to only block the homepage.

    Happy Life

    857 users

  • addy.io - Protect Your Real Email With Aliases

    addy.io - Protect Your Real Email With Aliases

    Open-source Anonymous Email Forwarding. Protect your real email address by using a different email alias for every site. Quickly and easily view, search, manage and create new aliases in just a few clicks using the addy.io browser extension.

    addy.io

    853 users

  • Blacklist AutoClose

    Blacklist AutoClose

    Automatically close all blacklisted webpages specified by the user.

    8176135

    852 users

  • Simple Proxy Switcher

    Simple Proxy Switcher

    A simple add-on to quickly switch your proxy servers Currently only supports http/s proxy

    maksam07

    851 users

  • VirusTotal Website Security Check

    VirusTotal Website Security Check

    It opens a VirusTotal website scan page on the URL you are visiting right now, in just a click of a button, of course with your consent.

    TheDoggyBrad Software Lab

    850 users

  • Onion Browser Button

    Onion Browser Button

    Easily browse the internet using TOR proxy with just one click!

    Benthum

    846 users

  • Browsing protection (macOS)

    Browsing protection (macOS)

    Blocks harmful websites and shows search result ratings. Requires a compatible F-Secure product that protects your browser.

    F-Secure

    846 users