Containerise
Automatically open websites in a dedicated container. Simply add rules to map domain or subdomain to your container.
2,056 users
Panic Button
Quickly hide all browser windows with a click of a button.
2,042 users
KeeForm
KeeForm is a simple form filler for KeePass. It requires a plugin which can be downloaded at https://keeform.org. KeeForm is listed as experimental, but is stable! Privacy Policy: KeeForm does not collect any information and does not track you.
2,026 users
HackTools
Hacktools, is a web extension facilitating your web application penetration tests, it includes cheat sheets as well as all the tools used during a test such as XSS payloads, Reverse shells to test your web application.
2,019 users
gooreplacer
A browser extension to block/redirect URLs and modify headers
2,018 users
Windows 10 Accounts Port
Sign in to supported websites with accounts on Windows 10. Ported from the Chrome's Windows 10 Accounts extension.
2,015 users
CookieBlock
Automatically enforces cookie consent preferences to protect your privacy on any website you visit.
2,012 users
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/
2,007 users
Spoof Timezone
This extension alters browser timezone to a random or user-defined value.
2,007 users
KProxy Extension for Firefox
Official KProxy Extension. The best anonymous proxy solution for work.
1,967 users
Server IP
Displays server IP address on every website
1,963 users
Broken Link Checker
A SEO tool to find broken (404) and redirected (301, 307, 308) links in all frames
1,953 users
HTML5 Video Everywhere
Replace video player with Firefox native video player
1,946 users
BlockDistraction – Block Site Extension
Effortlessly block and redirect websites with customizable rules to stay focused and productive.
1,934 users
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.
1,929 users
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.
1,926 users
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!
1,915 users
AdBlocker Lite
block ads seamlessly on popular websites
1,906 users
Website Blocker
Block websites with ease!
1,904 users
Change Timezone (Time Shift)
Easily change your timezone to a desired value and protect your privacy.
1,891 users
Secret Server Utilities for Firefox
Adds small features to make Thycotic Secret Server easier to use. This extension allows you to copy values from secret fields with one click. Passwords can be automatically cleared from the clipboard after an interval or upon exit.
1,890 users
LightSession Pro for ChatGPT
Fix slow, laggy ChatGPT tabs in Firefox. Local-only extension that speeds up long conversations by trimming old messages from the page (no data leaves your browser).
1,873 users
pCloud Pass - Password manager
Easily log in to websites, autofill online forms and use suggested passwords without leaving your browser.
1,869 users
Clear Site Cookies
Clear the cookies of the current website, with cookie preview and precise cookie selection.
1,854 users
Twitter Container
This addon is a fork of Mozilla's Facebook Container but for Twitter. Twitter Container isolates your Twitter activity from the rest of your web activity in order to prevent them from tracking you. This addon is NOT an official Mozilla Product.
1,842 users