11,221 extensions found in Social & Communication

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Instant Games
Free +200 HTML5 games. Instant Online Games. No Install. Messenger Games. Marketplace millions of users. Works Offline.
Rated 3.8 out of 5
OinkAndStuff
385 users
Google Hangouts Web Messenger
Google Hangouts Web Messenger brings Google Hangouts right into your browser to chat with your friends.
Rated 3 out of 5
Baris Derin
385 users
AutoComplete Forms for Firefox
Enable AutoComplete for Form elements automatically.
Rated 2.6 out of 5
Baris Derin
382 users
VLC online - multimedia player
Play most multimedia files, and various streaming protocols with this VLC distributed online.
Rated 4 out of 5
Winfy
378 users
Yahoo Mail Sidebar
Yahoo Mail Sidebar brings Yahoo Mail right into your Firefox Sidebar.
Rated 3.3 out of 5
Baris Derin
377 users
FediAct
Simplifies interactions on other Mastodon instances than your own. Visit https://github.com/lartsch/FediAct for more.
Rated 4.6 out of 5
@lartsch@infosec.exchange
377 users
Dino - The Dinosaur Game
T-Rex Game or Dino Runner game; avoid obstacles, including cacti and pterodactyls by pressing the up and down keys
Rated 4 out of 5
Chandler Stimson
377 users
Fellow
Bring Fellow into Google Meet and Google Calendar
There are no ratings yet
Fellow
376 users
Twitter Video Downloader
Easily download Twitter (X) videos in 1 click. Save HD videos from Twitter to your device effortlessly. The best Twitter/X downloader for fast, secure, and simple video saving.
Rated 3.4 out of 5
MisterCxmpy
373 users
URLRedirector
Automatically redirect specificed urls to new pages.
Rated 4.6 out of 5
Yingcai FENG
372 users
Email Notifier
A lite notifier that works with Gmail™, Yahoo, Live, iCloud, Mail.com and GMX
Rated 3.4 out of 5
Morni
371 users
LinkOff - LinkedIn Filter and Customizer
No more seeing unwanted likes and comments by your connections. Block the feed or filter it using custom keywords and find the connections and posts you want more easily. Job seeking? Advanced job filtering COMING SOON. Also cleans the inbox!
Rated 4.1 out of 5
Noah Jelich
371 users
ZOOM IMAGE for X(Twitter)
X(Twitter)に画像拡大機能を追加します。
Rated 5 out of 5
MynicoTools
370 users
Instagram Media Extractor
Downloads photos and videos from Instagram posts, reels, and stories.
Rated 3.2 out of 5
Nupharizar
370 users
Launch Gmail
Gmail toolbar button:- - Opens Gmail in a new tab (https://mail.google.com) - Neat icon
Rated 4.4 out of 5
Karthik
369 users
FastTube Downloader
Download YouTube videos fast with IDM-style interface
Rated 5 out of 5
Dawit
369 users
Image Search for Tineye
Image Search for Tineye. Right click image and search image copies for Tineye.
Rated 4.4 out of 5
HagGeowanni
368 users
Bulk Select Google Photos
Select multiple photos on Google Photos with just one click and then bulk delete, download, archive, share etc.
Rated 5 out of 5
App Alchemist
368 users
RSI Companion
Improve your RSI experience on robertsspaceindustries.com.
Rated 4.7 out of 5
Kamille
366 users
Twitter Misc
Miscellaneous functions related to Twitter (This add-on was formerly called Twitter Old UI)
Rated 4.9 out of 5
zupffwhy
366 users
Twitter検索プラグイン
Firefox 70.0.1 現在の既定のTwitter検索プラグインは、Twitter の新しいUIに対応しておらず、スラッシュが文字化けします。
There are no ratings yet
100の人 (エスパー・イーシア)
364 users
LinkedIn Guest Browser
This add-on allows you to browse LinkedIn profiles without having to login to LinkedIn! Good for those that don't have LinkedIn accounts and also for those with an interest in digital anonymity and/or OSINT.
Rated 2.1 out of 5
llt4l
363 users
KahootGPT (NEW: Start Free!)
Not affiliated with Kahoot! or ChatGPT: Use KahootGPT to win all your Kahoot! games
Rated 3.5 out of 5
marsss
363 users
Reco - Screen Recorder
A user-friendly and full featured browser extension to record screen, tab, window and webcam.
Rated 2.8 out of 5
Haikel
361 users
Yandex.Mail notifier
Tunable notifier for Yandex.Mail
Rated 3.1 out of 5
Alexander Ivantsov
360 users