YouTube High Definition
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
163,555 users
GIPHY for Firefox
Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!
7,712 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
61,649 users
Twitter Bookmarks Search
Finally search all your Twitter Bookmarks! Let's you easily search all your twitter bookmarks. Made by https://twitter.com/flybayer Source code: https://github.com/flybayer/twitter-bookmarks-search
968 users
Grammar and Spell Checker - LanguageTool
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.
351,622 users
Markfolder Twitter bookmarker
Bookmark tweets, organise them in folders, find them easily.
217 users
Search with Facebook™
Select and search in Facebook with mouse right-click.
26 users
Twitter Container
This addon is a fork of Mozilla's Facebook Container but for Twitter. Twitter Container isolates your Twitter activity from the rest of your web activity in order to prevent them from tracking you. This addon is NOT an official Mozilla Product.
2,785 users
Facebook Advert Interest Cleaner
A little button to easily clear your Facebook Advert Interests
58 users
PocketTube: Youtube Subscription Manager
The best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.
20,006 users
Buffer
Buffer is the best way to share great content to Instagram, Twitter, Facebook, TikTok, Mastodon, Google Business Profiles, Pinterest and LinkedIn from anywhere on the web.
3,043 users
Facebook with less shit
Removes 'Sponsored' and 'Popular Across Facebook' posts from Facebook
10 users
Feedbro
Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.
47,426 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
43,153 users
DVDFab Downloader
This add-on can download almost any video from the websites, like youtube, facebook, twitter, etc.
317 users
Better Social: Get Facebook Alerts & Fonts
Beautify Facebook posts, get your Facebook notifications instantly in your browser, and more.
14 users
Blog2Social: Social Media Poster Extension
Share content with just one click on Facebook, Twitter, and LinkedIn or customize & schedule it in the Blog2Social App dashboard
233 users
Social Video Downloader
Downloads videos from social networks like Facebook, Instagram, Twitter & Vimeo in just one click.
463 users
BlockZilla - Hide sponsored posts and tweets
BlockZilla hides promoted tweets, sponsored posts and ads on major websites like Facebook, Twitter, Reddit and many others.
232 users
SocialFocus: Hide Distractions
Block feed, shorts, related and other distractions on time-wasting sites like Instagram, Facebook, YouTube, Twitter, Reddit, LinkedIn...
721 users
Share to Facebook and More
Share and spread the current URL to popular social networks. Support Facebook, Twitter, VK, and more.
138 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
34,188 users
ScrollAnywhere
Scroll page without touching scroll-bar! Press Middle (Right / Left) mouse button anywhere on the page to scroll just like with scrollbar. Features also: - "grab and drag" scrolling - customizable scrollbars! - the Momentum auto-scroll
15,973 users
Simple Video Downloader
A simple video downloader that supports downloading video sites like tiktok, twitter, facebook, imgur, pinterest, dailymotion, ted, vimeo
272 users
Simple Context Share
Share to Facebook, Twitter, Gmail and more using the context menu
33 users