사진 및 동영상
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
YouTube Flash Video Player is a powerful tool that will let you choose Flash video player as default YouTube video player.
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
A very lightweight add-on that allows you to watch YouTube™ videos using Flash® Player instead of the default HTML5 player. The Flash® Player will consume less material resources (CPU, RAM) if your PC doesn't easily support HTML5 videos. Try it!
One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!
Twitter App brings Twitter right into your Firefox Sidebar.
Messenger for Facebook™ lets you bring a Messenger right into your browser to chat with your friends.
페이지의 배경 전체가 어둡게 변하여 마치 영화관에서 영상을 감상하는 것처럼 보이게 합니다.
Instant lyrics on YouTube, Spotify, Deezer, 8tracks, SoundCloud and many other music sites in a flexible panel. 40+ sources ensure that lyrics are always found. Simple to use and highly customizable. (formerly called "YouTube Lyrics by Rob W")
Enhance your YouTube watching experience! Auto HD, Ad Block, Cinema Mode, Mouse Wheel Volume Control, Screenshot...
Adds a Play/Pause toggle onto tabs that contain an HTML5 audio/video player.
Stops video autoplay and shows the preview thumbnail.
Aspect ratio fixer for Youtube. Allows improperly encoded videos to properly fit wider displays (e.g. 21:9)
YouTube Video Replay is a new tool that lets you replay YouTube Videos.
Photo Zoom for Facebook™ lets you zoom Facebook™ images.
FlashGot Mass Downloader 다시 시작 필요
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.
Image Search Options 다시 시작 필요
Image Search Options provides a set of highly customizable reverse image search context menu options.
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.