Content Security Policy (CSP) Generator
Automatic Content Security Policy (CSP) Generator. Generate a Content Security Policy header in minutes on any website. Built by https://csper.io
816 users
Proxy Checker
Check the quality of your proxies' IPs in bulk.
812 users
Link Cleaner+
Clean URLs before opening a link, removes trackers, rewrites redirects pages such as of Amazon, Facebook, Steam, Reddit (more to come!) and AMP urls.
812 users
Block Site Extension
Effortlessly block and redirect websites with customizable rules to stay focused and productive.
809 users
lesspass
Use LessPass add-on to generate complex passwords and log in automatically to all your sites
808 users
Overlay Remover Auto
Automatically close detected overlays / popups on enabled websites (on page load and/or on timed intervals)
807 users
Cache Cleaner
Easily clear browser's cache via toolbar popup.
804 users
Open in Private Mode
Open the active tab in a private window via toolbar button or context-menu.
802 users
Request Control
An extension for controlling requests.
801 users
Cozy Pass
Cozy Pass, the French and open source password manager application of your personal cloud Cozy that makes you the Internet easier by helping you to create, save and autofill strong passwords for all your accounts so you can browse securely online.
798 users
Gener8
Be rewarded for your data while browsing free from intrusive ads and annoying cookie banners.
782 users
Kasm - Open In Isolation
Open links safely in Kasm Isolation
775 users
Ecosia Search (Unofficial)
Unofficial, open-source web extension that adds https://ecosia.org/ as a search engine to the Firefox browser. Please review Ecosia's privacy policy: https://info.ecosia.org/privacy
774 users
Startpage Search — Dark Theme
Adds Startpage.com as a search engine, using the Dark theme.Adds Startpage.com as a search engine, using the Dark theme.
773 users
Youtube's Annotations No More
Disable Youtube's annotations.
772 users
Redirect URL Path
This add-on is an HTTP header & redirect checker for SEO and link tracing purposes. After clicking on any URL, this add-on will let you see all of the links and redirects that occurred.
769 users
AdDefender - AdBlocker
This extension blocks ads on websites to improve user experience.
769 users
Pixm Phishing Protection
Stop phishing attempts at the point of click
769 users
Referer Modifier
Modify the Referer header of HTTP requests: Remove, shorten, replace with custom data, or keep the Referer depending on the target domain.
764 users
ABCPRO Signer
Dodatek do podpisu cyfrowego dla przeglądarki Firefox. Współpracuje z oprogramowaniem firmy ABC PRO Sp. z o.o.
762 users
TOTP
A TOTP generator that could be used with gmail, github and other sites which require 2FA.
761 users
Sputnik
Open Source Intelligence (OSINT) web extension for IPs, Domains, File Hashes, and URLs
756 users
Link Virus Check - Security Plus
Security Plus is a browser extension that provides free checking of urls for viruses. It uses up to 64 different antivirus products and scan engines to check for viruses that the user's own antivirus solution may have missed.
751 users
Certainly Something (Certificate Viewer)
Certainly Something is an advanced digital certificate viewer for with an easy-to-use interface that works on both desktop and mobile devices.
744 users
Moesif Origin & CORS Changer
The most popular and feature rich CORS tool on Chrome (over 100K weekly active users) is rebuilt for Firefox with more features. This plugin allows you to send cross-domain requests. You can also override Request Origin and CORS headers.
744 users