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Similar Sites Toolbar Requires Restart

The Similar Sites add-on lets you discover new sites related to your current open web page, all based on user results.

Rated 5 out of 5 stars (1)
16,330 users

Disable Visited Links

This plugin cleanly disables visited link styles.

Rated 4 out of 5 stars (3)
1,069 users

Support Free Content

Help support your favorite free content publishers online.

Rated 5 out of 5 stars (1)
4,978 users

Google Hangouts Web Messenger

Google Hangouts Web Messenger brings Google Hangouts right into your browser to chat with your friends.

Not yet rated
1,278 users

YouTube use Flash Player

Force YouTube to use Flash player over the HTML5 player

Not yet rated
2,308 users

MUA Web Unicode Converter

It is a Firefox addons that will check web content and convert to Unicode encoded text if they are Zawgyi. It use Parabaik Converter and Myanmar Font Tagger Script(by Ko Thant Thet Khin Zaw).

Rated 5 out of 5 stars (8)
1,193 users

InlineDisposition 2

InlineDisposition 2 changes the disposition of Content-Disposition response headers from attachment to inline.

Rated 4 out of 5 stars (4)
4,541 users

The Best YouTube Downloader

Looking for youtube video downloader? Install the YouTube Downloader and download video from YouTube.

Rated 3 out of 5 stars (2)
1,381 users

Keywords Everywhere

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 (10)
2,558 users

Netpanel

An extension necessary for carrying out Netpanel study.

Not yet rated
1,127 users

LottaDeals

Spar dich reich ✔ Rabatte, Gutscheine, Coupons und Aktionen für über 5.500 Online-Shops!

Rated 5 out of 5 stars (8)
12,971 users

YouTube without DASH Playback (fully buffer)

Turn off DASH support from HTML5 video element. Enabling the extension causes YouTube (and other HTML5 video players) to fully load video files.

Rated 4 out of 5 stars (5)
1,585 users

Enhancer for YouTube™

One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!

Rated 5 out of 5 stars (14)
18,184 users

Chrome Store Foxified

Enables the Google Chrome Store for Firefox.
Point and click to install Chrome extensions straight into Firefox.
Useful for testing WebExtensions with public Chrome Store.

Rated 4 out of 5 stars (39)
6,739 users

VK Music Downloader

Качалка музыки из vk.

Rated 4 out of 5 stars (74)
43,696 users

TRUSTe Tracker Protection Beta Requires Restart

The TRUSTe charter is to provide consumers with the best privacy tools that allow for transparency and control of their personal information. This tool will help people manage their privacy across the web.

Rated 5 out of 5 stars (3)
13,152 users

Auto Form Requires Restart

Copy/Paste all fields from a web form in one click.

Rated 3 out of 5 stars (16)
15,985 users

Dorando keyconfig Requires Restart

A modified Dorando's tool to rebind keys in Mozilla apps. It is designed to be a drop-in replacement, and will keep your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) works again!

Rated 5 out of 5 stars (20)
3,054 users

Picture Blocker

Block/Allow images by pressing user-defined hotkeys or a toggle button.

Rated 4 out of 5 stars (8)
12,615 users

Honey

Visit http://www.joinhoney.com to download the latest version of the Honey addon!

Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.

Rated 4 out of 5 stars (29)
32,461 users