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Instagram Compatible with Firefox 57+

Instagram Web Based

Rated 4 out of 5 stars (40)
6,502 users

Unpaywall Compatible with Firefox 57+

Get free text of research papers as you browse, using Unpaywall's index of ten million legal, open-access articles.

Rated 4 out of 5 stars (28)
10,298 users

Secret Revealer (for Facebook™) Compatible with Firefox 57+

Reveals secret information from Facebook's profiles and other helpful information. No registration, no friendship required, **100% safe**, **100% free** add-on. Just install it, go to any Facebook profile, click on commands and enjoy!

Rated 4 out of 5 stars (25)
977 users

Hover Zoom+ Compatible with Firefox 57+

Zoom images/videos on all your favorite websites (Facebook, Amazon, etc). Simply hover your mouse over the image to enlarge it.

Rated 3 out of 5 stars (8)
2,435 users

Free VPN Proxy Service by Connected Over

Connected Over Free Premium Proxy Service
We provide Free Premium Proxy server access for free. We also provide free VPN services along with paid VPN Services.

Rated 3 out of 5 stars (4)
2,273 users

AccessURL Compatible with Firefox 57+

Share access to websites without giving away your username and password. Share access with an Access URL instead.

Rated 4 out of 5 stars (58)
8,362 users

WebinarJam Screen Sharing Addon

WebinarJam screensharing extension to record and broadcast your desktop footage live to your audience.

Not yet rated
1,212 users

Tumblr video downloader Compatible with Firefox 57+

A Firefox WebExtension for easily download video from Tumblr website.

Rated 4 out of 5 stars (24)
2,095 users

Twitter Web - Night Mode Compatible with Firefox 57+

Android/iOS like night mode for twitter web app. Enable or disable it at the click of a button.

Rated 5 out of 5 stars (15)
2,121 users

YouTube no Buffer (no autoplay) Compatible with Firefox 57+

Prevents YouTube HTML5 and Flash players from auto-buffering (auto-playing) videos

Rated 5 out of 5 stars (13)
2,031 users

Capital Koala Compatible with Firefox 57+

Bouton d'aide à l'achat Capital Koala pour Mozilla Firefox

Rated 5 out of 5 stars (2)
3,032 users

Mega Button

This Extension allows you to open the Mega Cloud Service with just one click!

Rated 4 out of 5 stars (2)
2,183 users

EpubPress - Read the web offline Compatible with Firefox 57+

Create custom ebooks from your favorite blogs and websites.

Rated 5 out of 5 stars (2)
1,059 users

Screencastify

Record your computer or device screen and annotate it with your voice and webcam.

Rated 4 out of 5 stars (1)
1,043 users

Checker Plus for Gmail™ Compatible with Firefox 57+

Get desktop notifications, read, listen or delete emails without opening Gmail or Inbox by Gmail & easily manage multiple accounts.

Rated 4 out of 5 stars (26)
2,459 users

Emoji Keyboard (2016) by EmojiOne™ Compatible with Firefox 57+

The must-have emoji extension of 2016! The easiest way to search, 1-click copy & paste, or auto-input emoji anywhere in Firefox.

Rated 3 out of 5 stars (18)
1,429 users

FB unseen Compatible with Firefox 57+

Blocks the ”seen” feature of the facebook messenger, and your friends will no longer be able to see if you read their messages.

Rated 4 out of 5 stars (3)
2,636 users

iMEGA

This add-on is intended to ease the life of the regular MEGA user.

Please note this extension is NOT the official from Mega, for the real one please go to: https://mega.nz/#firefox

Rated 5 out of 5 stars (17)
20,515 users

Google Keep Notes

Google Keep Notes brings Google Keep right into your Firefox Sidebar.

Rated 4 out of 5 stars (7)
3,471 users

Emoji Keyboard Compatible with Firefox 57+ Featured

A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.

Rated 5 out of 5 stars (65)
113,721 users