Most Popular Extensions


Open With Google Chrome

Open With Google Chrome sends pages from Mozilla Firefox to Google Chrome.

Rated 5 out of 5 stars (5)
11,411 users

Alldebrid addon

Addon for easy downloads with Alldebrid

Rated 4 out of 5 stars (10)
11,381 users

URL Fixer Featured

URL Fixer fixes common typos in URLs entered in the address bar. It will fix errors like "google.con" or "youtube,com". You have the option of being asked to confirm corrections before they are applied.

Rated 4 out of 5 stars (108)
11,357 users


Automatically redirects to user-defined urls on certain pages

Rated 4 out of 5 stars (169)
11,110 users

Redirect Bypasser

Avoid redirects and has direct access to the sites you want to visit.

Rated 4 out of 5 stars (37)
10,949 users

Automatic Coupons by Piggy!

Adds Coupon Codes Automatically during Checkout! Piggy finds you coupons, and automatically applies them with one click!

Let Piggy help you save money at over 1,800 stores!

(Including Kohls, Walmart, Macys, Best Buy, Overstock, and many more!)

Rated 5 out of 5 stars (2)
10,890 users

VPN Unlimited - Private & Secure Web Proxy

Protect your privacy and get unlimited access to your favorite websites worldwide with VPN Unlimited!

Join millions of users who trust VPN Unlimited to keep their data private and secure.

Rated 4 out of 5 stars (26)
10,733 users

Instagram Video Download

Download videos from Instagram (and as plus, easily save photos).

Rated 4 out of 5 stars (10)
10,418 users

Tap Translate Featured

Adds a translate button to the long-tap menu.

Rated 4 out of 5 stars (56)
10,263 users

Local Filesystem Links

Scans for local file system URIs (file:///) on any page. Click on the added icon to open the local link with the system's file manager. Alternatively, select any text that forms a path (e.g. "C:\tmp\cow 1.txt") and use the context menu.

Rated 4 out of 5 stars (29)
10,101 users


Browser Security - DER Schutz vor Phishing und Malware

Not yet rated
9,972 users

HTML5 YouTube Everywhere

Get rid of legacy Flash based embedded YouTube videos and replace them with YouTube's HTML5 player. Works even if you have Flash on.

Support for replacing the player on YouTube site is in development.

Rated 4 out of 5 stars (9)
9,707 users

FireX Proxy

FireX Proxy extension.

Rated 5 out of 5 stars (20)
9,468 users


Расширение позволяет загружать музыку, фото и видео из контакта
Страница ВКонтакте:

Rated 5 out of 5 stars (21)
9,317 users

Smart Referer

Send referers only when staying on the same domain.

You can whitelist domains with wildcards and configure other things, look in the preferences page of the addon in the addon manager.

Rated 4 out of 5 stars (31)
9,263 users

Full Screen mobile

Make Firefox for Android use the whole screen

Rated 3 out of 5 stars (94)
8,948 users

Instant Translate: Select and Translate

Translation, text-to-speech, transliteration on pages and in the pop-up for 100+ languages.

Rated 4 out of 5 stars (33)
8,932 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (22)
8,901 users


Pretty-prints JSON content in the browser for easy, unobtrusive viewing.

Rated 4 out of 5 stars (36)
8,793 users

Keen Media Runner (Free)

Install Keen Media Runner to search for your favorite movies and TV shows directly from your search engine, and get access to the media from anywhere in the world. Streaming platforms supported include Hulu, Netflix, Pandora and many more..

Rated 5 out of 5 stars (1)
8,724 users