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YouTube Video and Audio Downloader

Downloads YouTube videos in all available formats (FLV, MP4, WebM, and 3GP) with video quality of your choice. It also contains a pure JavaScript library to extract the ORIGINAL audio file embedded in video files.

Rated 4 out of 5 stars (339)
688,029 users
Updated August 18, 2016

Media Keys

Lets you control various media sites using the media keys on your keyboard without having the Firefox window active.

Supported Sites: youtube, pandora, spotify, bandcamp, google play, yandex, soundcloud, tidalhifi, deezer, plex, vk and more.

Rated 5 out of 5 stars (49)
2,622 users
Updated August 18, 2016

Earn For My School Reminder Bar

Lets you know whether purchasing at retailers that you visit online will raise funds for schools you nominate.

Rated 2 out of 5 stars (1)
5 users
Updated August 18, 2016

Yodiz Grab Requires Restart

Yodiz Grab is quickest way to capture screen shot of web page, annotate to highlight the comments or problem area and then
1) Report as attachment to Yodiz Issue or User story.
2) Or download as annotated image to local disk

Not yet rated
49 users
Updated August 18, 2016

Complete YouTube Saver Requires Restart

Download YouTube videos in various formats including 1080p, 4K etc (DASH formats). Convert audio track from videos to MP3 or WAV, or save audio in native format (Ogg, AAC/M4A, MP3, OPUS). Save YouTube page, video, comments and subtitles to one folder

Rated 4 out of 5 stars (131)
20,830 users
Updated August 18, 2016

SYSTRAN - Translator and Dictionary

SYSTRAN Extension can translate any webpage in one click.

Rated 4 out of 5 stars (2)
182 users
Updated August 18, 2016

Asym

Asym augments word spacing in web pages to improve your reading comprehension and speed. The changes are unobtrusive and nothing else is modified.

Rated 4 out of 5 stars (2)
45 users
Updated August 18, 2016

Plucki

Blocks *all* images and *all* videos by default.

This extension is *one part* of Pluckeye.

If you want to block all browsers, install all of Pluckeye from http://www.pluckeye.net/ . You'll also get whitelisting, scheduled access, and more.

Rated 5 out of 5 stars (1)
142 users
Updated August 18, 2016

OpenFarm - FarmeraMania

OpenFarm ist ein Plugin um Daten eines bekannten Browsergames auf einer Webseite zu visualisieren. Weitere Infos stehen unter http://openfarm.farmeramania.de/ zur Verfügung.

Rated 5 out of 5 stars (6)
1,062 users
Updated August 18, 2016

Uid Google Translate Requires Restart

With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.

Not yet rated
2 users
Updated August 18, 2016

Offers.com

Notifies you when there are money-saving offers available for the site you're currently browsing. Click the notification to go directly to the merchant's page on Offers.com and view all the available offers, coupons and promotions!

Rated 4 out of 5 stars (11)
75 users
Updated August 17, 2016

Events Listener Tab

Replicated the old firebug Events side tab that would show the selected element events and their (jQuery) delegated ones

Rated 4 out of 5 stars (1)
50 users
Updated August 17, 2016

Tab Scope Requires Restart Featured

Preview and navigate tab contents through popup.

Rated 4 out of 5 stars (473)
121,672 users
Updated August 17, 2016

Firefox Guide Study 1

Firefox Guide recommends Firefox features that are likely to benefit you. This experimental add-on is part of a Mozilla study to improve Firefox user experience.

Rated 4 out of 5 stars (2)
2,275 users
Updated August 17, 2016

ext11

extension1

Rated 5 out of 5 stars (1)
2 users
Updated August 17, 2016

Uid Youtube+

All about youtube

Rated 5 out of 5 stars (3)
4 users
Updated August 17, 2016

ZEQR screen share

ZEQR - Screen share allow you to share your screen with other participants.

Not yet rated
4 users
Updated August 17, 2016

Screen-sharing extension for Connected Care

Screen-sharing extension for Connected Care

Rated 3 out of 5 stars (1)
55 users
Updated August 17, 2016

VK Music Downloader

Music downloader for vk.com with NEW DESIGN.
YOU SHOULD LOGIN TO VK.COM BEFORE USE IT!

Rated 4 out of 5 stars (46)
15,888 users
Updated August 17, 2016

JCI SERVICOS : Importador de OS

Importação de Ordem de Serviço (O.S.) do Activia para Sistema Interno .

Not yet rated
1 user
Updated August 17, 2016