Up & Coming Extensions

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Facebook™ Tracking & Ad Removal Compatible with Firefox 57+

Removes Ads and the user interaction tracking from external links and videos on Facebook™.
Modified elements can optionally have a custom CSS style applied to them so that cleaned items can be more easily identified.

Rated 4 out of 5 stars (16)
1,440 users

IGHelper: download Instagram pic & vids Compatible with Firefox 57+

Easily download Instagram pictures and videos.

=== Still have some problems, do not worry, I will improve it ===

Rated 5 out of 5 stars (23)
3,626 users

Slither.io Mods, Zoom, Unlock Skins, Bots Compatible with Firefox 57+

The Best Mod and Extension for Slither.io! Mod Zoom, Play with Friends, Skins, Custom Skins, Bots

Rated 5 out of 5 stars (8)
1,360 users

Web Mirrors Compatible with Firefox 57+

Расширение осуществляет редирект сайта на его зеркало если сайт не доступен пользователю, например DDoS

Rated 4 out of 5 stars (11)
3,981 users

Toggl Button: Productivity & Time Tracker (Beta) Compatible with Firefox 57+

Puts a timer into any web tool and allows quick real time productivity tracking with all the data stored on your Toggl account.

Rated 2 out of 5 stars (15)
3,323 users

ReviewMeta.com Review Helper Compatible with Firefox 57+

ReviewMeta analyzes millions of reviews and helps you decide which to trust.

Rated 5 out of 5 stars (9)
3,331 users

KOCT Compatible with Firefox 57+

Koha Offline Circulation Tool

Rated 4 out of 5 stars (2)
947 users

React Developer Tools Compatible with Firefox 57+

React Developer Tools is a tool that allows you to inspect a React tree, including the component hierarchy, props, state, and more. To get started, just open the Firefox devtools and switch to the React tab.

Rated 4 out of 5 stars (12)
26,441 users

Raindrop.io — Keep your favorites handy Compatible with Firefox 57+

Your beautiful start page with favorite sites and bookmarks.
Features:
- Feature-rich, attractive, easy-to-use bookmarks
- Perfect for articles, gallery, sites
- Share & collaborate

Our goals:
- Speed
- Material Design
- Sync

Rated 4 out of 5 stars (30)
2,510 users

Instant Translate: Ultimate Translator Compatible with Firefox 57+

Translator, dictionary and text-to-speech for 103 languages. Select and translate on any page with a shortcut on double-click.

Rated 4 out of 5 stars (224)
27,227 users

404 Bookmarks Compatible with Firefox 57+

Show and remove expired bookmarks

Rated 3 out of 5 stars (23)
1,515 users

Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

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

Rated 5 out of 5 stars (32)
9,838 users

YouTube a MP3 Compatible with Firefox 57+

Mediante la incursion de un boton en la pagina de Youtube, permite de un modo agil, rapido y con un solo clip descargar el Mp3 de un modo directo y con el maximo bitrate. Sin redirecionamientos,ni publicidad.Basado en el api de break .tv

Rated 4 out of 5 stars (39)
17,768 users

skyZIP™ acceleration and compression Proxy

skyZIP browser extension can reduce satellite data usage by using NYNEX proxy servers to optimize webpages. Data savings are at about 50%

Rated 4 out of 5 stars (66)
2,420 users

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 YT.

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 (365)
72,583 users

Easy Youtube Video Downloader Express Compatible with Firefox 57+

WORKS WITH NEW YOUTUBE LAYOUT, "Best Youtube Video Downloader", Only one with 1080p Full-HD and 256kbps MP3 Direct Links. A clean, fast and simple addon for superfast and easy downloads in FLV, 3GP, MP3, MP4, 720p, 1080p qualities on Youtube pages.

Rated 4 out of 5 stars (1,480)
265,179 users

Tabsbook визуальные закладки Compatible with Firefox 57+

Tabsbook - экспресс-панель (Speed Dial) и ваши закладки в облаке, доступные с любого устройства и браузера. Бережно храним дорогие вам ссылки.

Rated 5 out of 5 stars (62)
1,706 users

Online interface for Thunderbird Compatible with Firefox 57+

This extension is the Mozilla Thunderbird email client available online

Rated 4 out of 5 stars (7)
1,024 users

Tumblr video downloader Compatible with Firefox 57+

A Firefox WebExtension for easily download video from Tumblr website.

Rated 5 out of 5 stars (47)
4,272 users