Dark Reader
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
1.285.321 utents
Ghostery – Privacy Ad Blocker
The best privacy tool and ad blocker extension for Firefox. Stop trackers, speed up websites and block ads everywhere including YouTube and Facebook.
1.014.143 utents
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
57.652 utents
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
31.474 utents
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
141.285 utents
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.
89.615 utents
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!
72.688 utents
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.
49.984 utents
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.
33.629 utents
Google Lighthouse
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
15.743 utents
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)
14.080 utents
JavaScript Toggle On and Off (WebExtension)
Toggle JavaScript engine on and off the easy way
13.306 utents
Proxy Toggle
Toggle between direct connection and a single proxy server via a toolbar icon.
9.787 utents
Emoji Cheatsheet
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
7.896 utents
WebScrapBook
Capture web pages to local device or backend server for future retrieval, organization, annotation, and edit.
7.380 utents
Form History Control
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller. Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
7.178 utents
