Most Popular Extensions

Subscribe

VK Music - download music VK Compatible with Firefox 57+

A simple and rapidly fast extension which helps to download audio from vk.com, ok.ru and Yandex.Music.

Rated 5 out of 5 stars (54)
6,803 users

YouTube use Flash Player Compatible with Firefox 57+

Force YouTube to use Flash player over the HTML5 player

Rated 4 out of 5 stars (106)
6,797 users

Buffer Compatible with Firefox 57+

Buffer is the best way to share great content to Twitter, Facebook, Google+, LinkedIn, Pinterest and Instagram from anywhere on the web, with just one click.

Rated 4 out of 5 stars (24)
6,621 users

HDS Link Detector

This add-on automatically detects the HDS videos being played in browser and generates proper command line required for downloading videos with AdobeHDS.php script.

Rated 5 out of 5 stars (21)
6,585 users

No Resource URI Leak

Deny resource:// access to Web content: We fill the hole to defend against fingerprinting. Very important to Firefox privacy. A direct workaround for bugzil.la/863246

Rated 4 out of 5 stars (21)
6,579 users

start.me - Customize your New Tab Home Page Compatible with Firefox 57+

Customize your New Tab Home Page in Firefox with this powerful (cloud-based) add-on.

Organize all your Bookmarks/Websites, RSS/News feeds, notes, to-do's, mail & social updates in one place.

Works on any PC, mobile or tablet device.

Rated 4 out of 5 stars (91)
6,525 users

Faster Video Compatible with Firefox 57+

Allows manipulation of the playback rate of HTML5 videos

Rated 4 out of 5 stars (19)
6,440 users

Data saver proxy for Firefox

Data compression proxy for Firefox-enables the DataSaver feature provided for chrome

DIsclaimer:This is not official implementation of Google DataSaver.
Proxy Server is owned by Google.
Credits:
1.Super User Question http://bit.ly/2gN4mMi

Rated 4 out of 5 stars (59)
6,414 users

Show/hide passwords Compatible with Firefox 57+

Add a link near password fields to hide or show passwords.

Rated 4 out of 5 stars (18)
6,409 users

Blocker for Wix ads Compatible with Firefox 57+

Block Wix ads!

Rated 5 out of 5 stars (6)
6,396 users

Toggle JavaScript Enabled

Toggle whether JavaScript is enabled globally or not. Adds a menu entry and an icon to the URL/title bar.

Rated 4 out of 5 stars (17)
6,369 users

Bkav Plugin

Bkav Plugin for Mozilla Firefox

Rated 3 out of 5 stars (3)
6,328 users

Automatic Coupons by Piggy! Compatible with Firefox 57+

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 4 out of 5 stars (21)
6,323 users

Keywords Everywhere Compatible with Firefox 57+

Install this keyword tool add-on to view useful keyword search volume and cost per click data on multiple websites like Google Search Console, Google Analytics, UberSuggest, Majestic Anchor Text pages and Moz Open Site Explorer

Rated 4 out of 5 stars (25)
6,252 users

VKD

Расширение позволяет загружать музыку, фото и видео из контакта
Страница ВКонтакте: https://vk.com/vkdwn

Rated 4 out of 5 stars (42)
6,048 users

JSON Lite Compatible with Firefox 57+

Fast JSON viewer - highlights, shows items count/size, handles large files

Rated 4 out of 5 stars (10)
5,945 users

Vimeo Downloader Compatible with Firefox 57+

Download vimeo videos with a single click

Rated 2 out of 5 stars (14)
5,885 users

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (18)
5,766 users

RememberPass

RememberPass is a Firefox/Firefox Mobile Addon to force browser to remember password even website disable it by default. It's done by set autocomplete to "on" where it's off.
Here is: Test Page

Rated 4 out of 5 stars (26)
5,711 users

CookiesOK

CookiesOK aims to automatically accept cookies on websites that are affected by the recent (26-02-2011) EU cookie laws.

Rated 3 out of 5 stars (11)
5,633 users