Up & Coming Extensions

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Download Youtube Video Compatible with Firefox 57+

Save video from any Youtube video in High definition HD or Standard definition SD.

1-click download any video directly from Youtube.

Choose if you want .mp4, .webm, mobile, or audio only (audio only saves space and great for mobile devices)

Rated 4 out of 5 stars (147)
14,363 users

Download Facebook Video Compatible with Firefox 57+

Save video from any Facebook video in original .mp4 format.

"1-Click" download any video directly from Facebook.com.

Choose if you want video or just an image.

Addon uses 3rd party site (www.getyourfb.com) for operation.

Rated 5 out of 5 stars (68)
3,441 users

1-Click Downloader (Video or Photo) Compatible with Firefox 57+

Click to download any Youtube, Instagram, Facebook, Vid.me, Streamable, LiveLeak, Vine video or photo.

Rated 5 out of 5 stars (98)
9,871 users

Swap Proxy Requires Restart

Swap Your Proxy Setting instantly just by a click.

Rated 4 out of 5 stars (9)
4,053 users

Popup Blocker Compatible with Firefox 57+

Prevents your web browser from opening a new window on top of the content or web site you are viewing. The Addon also supresses unwanted advertisement windows on your screen. The one deciding what consitutes a popup is the user.

Rated 4 out of 5 stars (9)
2,151 users

Hide Navigation Bar Requires Restart

This extension enables you to hide the navigation bar through a toggle button. Currently the toggle button is the F2 key. You can change the key in the extensions options, as well as configure whether you want the Navigation Bar to be displayed on ...

Rated 4 out of 5 stars (69)
27,131 users

Firefox Pioneer Compatible with Firefox 57+

Pioneer is an opt-in program that allows collection of richer data from Firefox.

Rated 4 out of 5 stars (42)
2,802 users

Hide Tabbar Requires Restart

Hide the tabbar by just pressing a key.

Rated 4 out of 5 stars (87)
34,473 users

ScrollyFox Requires Restart

This is a basic FireFox extension which simply scrolls the page down (and optionally up again) automatically at an adjustable rate.

Rated 4 out of 5 stars (61)
9,536 users

GradeCam Helper Compatible with Firefox 57+

Used in conjunction with the GradeCam plugin for Firefox to enable the teacher gradebook transfer feature. See http://gradecam.com

Not yet rated
1,019 users

Uncheck Stay-signed-in for Google Login

Uncheck "Stay signed in" automatically for Google Login (Gmail, Google Drive, etc...)

Rated 5 out of 5 stars (16)
1,310 users

YouTube Video and Audio Downloader (Dev Edt.) Compatible with Firefox 57+

Download YouTube videos in all available formats and extract the original audio files

Rated 4 out of 5 stars (18)
1,858 users

LanguageTool Grammar Checker Compatible with Firefox 57+ Featured

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

Rated 4 out of 5 stars (22)
33,792 users

ClassLink OneClick Extension

ClassLink provides secure and simple single sign-on access to all your apps, files and classes from anywhere.

Rated 5 out of 5 stars (2)
4,466 users

Open With IDM™ (internet download manager) Compatible with Firefox 57+

Open and download links with IDM (internet download manager)

Rated 5 out of 5 stars (1)
3,079 users

Send to VLC (VideoLAN) player Compatible with Firefox 57+

Send streamable media from current tab to VLC (VideoLAN) media player

Rated 2 out of 5 stars (1)
937 users

Lembrador Méliuz

O Lembrador Méliuz avisa quando você acessa uma loja parceira e, com um clique, você garante descontos e dinheiro de volta nas compras!

Rated 4 out of 5 stars (3)
1,096 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 (24)
2,532 users

Extended Statusbar

A Statusbar with speed, percentage, time and loaded size (similar to Opera's one)

Rated 4 out of 5 stars (248)
54,141 users

Violentmonkey Compatible with Firefox 57+

Violentmonkey provides userscripts support for browsers.

Rated 4 out of 5 stars (28)
2,339 users