Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
210,293 users
ColorZilla
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
148,921 users
User-Agent Switcher
Easily override the browser's User-Agent string
61,182 users
Flagfox
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
116,320 users
Firefox Color
Build, save and share beautiful Firefox themes.
118,181 users
Belgium eID
Use the Belgian electronic identity card (eID) in Firefox
158,864 users
Block Site
A customizable, password-protected website blocker and redirector.
71,394 users
NeatDownloadManager Extension
Sends Download Links to Neat Download Manager
16,331 users
Keepa.com - Amazon Price Tracker
→ Price History charts → Price Drop & Availability Alerts → Over 1 billion tracked products → Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .it | .es | .in | .mx
211,834 users
YouTube Redux
Replicate old YouTube look and features within the modern layout!
5,520 users
Mendeley Web Importer
Fast, convenient import of references and PDFs to your Mendeley Reference Manager library
104,414 users
CyberGhost VPN Free Proxy
Use CyberGhost Proxy Plugin to encrypt your browser traffic so you can be sure that no online snooper can see where you go on the web.
44,755 users
French spelling dictionary
Spelling dictionary for the French language.
296,885 users
Selenium IDE
Selenium IDE is an integrated development environment for Selenium tests. It is implemented as a Firefox extension, and allows you to record, edit, and debug tests.
44,236 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
3,260,491 users
anonymoX
Easy anonymous web browsing. – Change your IP-Address and country – Visit blocked or censored websites. – Delete cookies, show your public ip, and more We provide the proxy servers, no external proxies or other programs required
24,964 users
BTRoblox - Making Roblox Better
BTRoblox, or Better Roblox, is an extension that aims to enhance Roblox's website by modifying the look and adding to the core website functionality by adding a plethora of new features.
47,800 users
ImTranslator: Translator, Dictionary, TTS
COMPLETELY REDESIGNED TRANSLATOR FOR FIREFOX ImTranslator translates text, words, webpages between more than 100 languages. NEW: Inline Translator, Dictionary, access to Google Translate, Microsoft Translator. Unique on the fly localization.
136,453 users
799,607 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
78,050 users
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!
48,879 users
Reddit Enhancement Suite
Reddit Enhancement Suite (RES) is a suite of tools to enhance your Reddit browsing experience.
276,456 users
RoboForm Password Manager
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
63,598 users
YouTube Downloader
Looking for youtube video downloader? Install the YouTube Downloader and download video from YouTube.
57,578 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
72,899 users