Steganos Password Manager
Steganos Password Manager Add-on - Saves and fills your passwords automatically.
837 users
Cache Cleaner
Easily clear browser's cache via toolbar popup.
834 users
Overlay Remover Auto
Automatically close detected overlays / popups on enabled websites (on page load and/or on timed intervals)
832 users
OVPN.com
The extension is the perfect complement to OVPN. Block WebRTC, ads and trackers in order to protect your privacy online.
831 users
AdBlox - Ad Blocker
Easy, free, full-featured ad blocker: Block ads on YouTube, Facebook, Twitch, and m for a seamless browsing experience.
828 users
QualiSign
Extensão para a utilização de login e assinatura de documentos no Portal do Documento Eletrônico da QualiSign e sites parceiros
823 users
Request Control
An extension for controlling requests.
821 users
Gener8
Be rewarded for your data while browsing free from intrusive ads and annoying cookie banners.
818 users
QR Lite - QR Code Generator and Scanner
👌Easy-to-use, 🛡️privacy-friendly QR code generator and scanner.
816 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
808 users
Kasm - Open In Isolation
Open links safely in Kasm Isolation
808 users
Sputnik
Open Source Intelligence (OSINT) web extension for IPs, Domains, File Hashes, and URLs
803 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.
795 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.
788 users
Youtube's Annotations No More
Disable Youtube's annotations.
787 users
Trace
An advanced extension that can protect many different types of browser fingerprinting such as Canvas/Audio/WebGL Fingerprinting. Trace also offers URL cleaning and header editing features such as the tracking cookie eater and Google header remover.
787 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.
785 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.
784 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.
783 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.
779 users
Browser Cleaner
Easily clear your browser's data and speedup browsing via toolbar popup.
774 users
TOTP
A TOTP generator that could be used with gmail, github and other sites which require 2FA.
770 users
Proxy Checker
Check the quality of your proxies' IPs in bulk.
767 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.
760 users
uBypass
Bypasses any paywall or your money back
760 users