Up & Coming Extensions

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Private Video Downloader Compatible with Firefox 57+

Download videos from web sites and avoid compromising entries in your browser history.

Rated 4 out of 5 stars (30)
2,906 users

Download with Internet Download Manager Compatible with Firefox 57+

when activated, interrupts the built-in download manager to direct links to IDMan (Internet Download Manager)

Rated 4 out of 5 stars (24)
2,795 users

YouTube Download & Adblocker Smarttube Compatible with Firefox 57+

YouTube AdBlock and Video Downloader - Smarttube

Rated 4 out of 5 stars (96)
10,364 users

FreeConferenceCall.com Extension Compatible with Firefox 57+

Plugin for launching FCC application

Rated 4 out of 5 stars (12)
3,445 users

Adblock Hyper Compatible with Firefox 57+

Adblock Hyper removes all ads and popups from all websites! The fastest adblock available plus modern controls and features

Rated 4 out of 5 stars (37)
10,389 users

Page Translator Compatible with Firefox 57+

One-click in-line page translation for Firefox. Translates any page using Google Translate or Microsoft Translator. It's minimalist. The translate icon will only appear if the page is in a foreign language.

Rated 5 out of 5 stars (20)
1,637 users

Free Video Downloader Compatible with Firefox 57+

Help you download videos from web sites. it's free, safe, fast and easy to use.Help you download videos from web sites. it's free, safe, fast and easy to use.

Rated 4 out of 5 stars (26)
2,182 users

Vue.js devtools Compatible with Firefox 57+

DevTools extension for debugging Vue.js applications.

Rated 5 out of 5 stars (14)
1,429 users

360 Internet Protection Compatible with Firefox 57+

This extension is web threat protection of 360 Total Security for Firefox. It identifies malicious URL in real-time and blocks web threats. The capabilities of anti-fraud, anti-phishing and anti-malicious URL will be enabled once installed.

Rated 4 out of 5 stars (35)
16,342 users

randomUserAgent Requires Restart

randomUserAgent overrides the default user agent from Firefox with a random user agent.

Rated 3 out of 5 stars (21)
876 users

Enhancer for YouTube™ Compatible with Firefox 57+ Featured

Tons of features to improve your user experience on YouTube™.

Rated 5 out of 5 stars (110)
110,189 users

Gif Block

Allows user to block gif images on a web page.

Rated 3 out of 5 stars (24)
7,628 users

Google PDF Viewer Compatible with Firefox 57+

Allows you to view pdf files with the google pdf viewer.

Rated 4 out of 5 stars (3)
1,102 users

Youku HTML5 Player Compatible with Firefox 57+

Farewell to flash and ads.

Rated 5 out of 5 stars (16)
1,406 users

Clear Recent History... + Requires Restart

Makes the "Clear Recent History..." feature a lot more accessible via right-click context menu and an optional toolbar button.

Rated 5 out of 5 stars (9)
7,678 users

HD Youtube Downloader Compatible with Firefox 57+

Download youtube videos in highest available quality with new tab page.

Rated 3 out of 5 stars (29)
12,713 users

Violentmonkey Compatible with Firefox 57+

Violentmonkey provides userscripts support for browsers.

Rated 4 out of 5 stars (19)
1,171 users

Activity Stream Shield Study

A rich visual history feed and a reimagined home page make it easier than ever to find exactly what you're looking for in Firefox.

Learn more about this Test Pilot experiment at https://testpilot.firefox.com/.

Rated 5 out of 5 stars (2)
4,567 users

Stylus (Beta) Compatible with Firefox 57+

Redesign the web with Stylus, a user styles manager. Stylus allows you to
easily install themes and skins for many popular sites.

Rated 4 out of 5 stars (12)
1,085 users