Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
The most beautiful yet the simplest add-on that makes a strong colorful appeal. Colors every tab in a different color and makes them easy to distinguish while beautifying the overall appearance of the interface. For Seamonkey & Flock. An essential. F...
Download YouTube Videos as MP4 No Restart Featured
An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.
Google™ Translator No Restart Featured
Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.
FireTube (Youtube Music Player) No Restart Featured
Listen to free, unlimited music with FireTube.
Simply search the artist or song of your choice and enjoy.
Take FireTube on-the-go with the Android app
YouTube Anywhere Player No Restart Featured
Watch videos anywhere in cinema mode without leaving the website you're on.
gtranslate No Restart Featured
With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.
Location Guard No Restart Featured
Hide your geographic location from websites. Report a fake location with the addition of random noise in order to protect your privacy. Per site settings with three configurable levels of accuracy or even the possibility to use a fixed location.
Capture & Print No Restart Featured
This add-on lets you print a webpage's area easily.
S3.Google Translator Featured
S3.Google Translator adds the power of Google Translate’s automatic translations to your browser!
It supports translation of selected text, entered phrase or whole webpage between any of 80+ languages.
New Feature: Language learning!
Clear Console Featured
One click to clear your cache, cookies, history, html5/local storage, http logins, all of them or restart your browser with/without notifications.
ZenMate Security & Privacy VPN No Restart Featured
Unblock the web and change your IP with 4 locations across the globe. ZenMate secures your browsing with encryption - protecting you from hackers, snoopers and data thieves who prey on unsecure connections.
Ghostery No Restart Featured
Protect your privacy. See who's tracking your web browsing and block them with Ghostery.
QR Code Image Generator No Restart Featured
Create a QR Code of the selected text or current URL. Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline! Now with UTF8 support.
Font Finder Featured
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
Tab notifier Featured
Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!
Find out which websites you can trust. WOT adds intuitive traffic light-style icons next to search results and URLs so you can decide whether to visit a site:
• Green – The site is trusted
• Yellow – Be cautious
• Red – Online threats detected