Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.279.760 brûkers
Ghostery – Privacy Ad Blocker
Ghostery is een krachtige privacy extensie. Blokkeer ads, stop trackers en maak websites sneller.
993.662 brûkers
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
123.087 brûkers
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
52.821 brûkers
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
131.286 brûkers
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
119.124 brûkers
Ruffle - Flash Emulator
Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!
78.923 brûkers
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
45.809 brûkers
Disable JavaScript
Adds the ability to disable JavaScript for specific sites or specific tabs. You can customize the default JS state (on or off), the disable behavior (by domain or by tab) and much more.
31.090 brûkers
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.053 brûkers
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
12.461 brûkers
My IP Hider VPN
My IP Hider VPN is number one tool for hiding your IP and unblocking any web site! If your Firefox version is less then 55 please install older My IP Hider VPN from "Version History" (https://goo.gl/7ZQQjZ)
12.046 brûkers
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9.014 brûkers
IPvFoo
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements.
7.220 brûkers
MobiDevTools
A mobile devtools for debugging web sites and applications with the console, DOM, network info, sources, and more.
7.179 brûkers
