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.
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Watch2Gether
With Watch2Gether you can watch videos together with your friends. Enhance your Watch2Gether experience with our official browser extension.
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Download Video and Flash - HD Download
Download Video and Flash - HD Download is a great download helper tool that lets you download video and Flash games very easily. Download from YouTube, Facebook, Dailymotion, Vimeo and more. Download and enjoy! Download now!
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Librezam
Open-source music recognition extension using Shazam API (also supports Audd, ACRCloud, Tencent, and NetEase APIs as alternative backends)
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Live Stream Downloader
Download M3U8 HLS Streams (HTTP Live Stream) to your local disk
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UltraWideo
Remove black bars and zoom any video to fill your screen — Netflix, YouTube & every site. Any monitor. Free forever.
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YouTube Video Downloader
Free YouTube Video Downloader Online – Download YouTube Videos, Convert YT to MP3/MP4, SaveFrom.net Alternative, Fast YTD Tool for PC, Mobile, & Online. Best Video Downloader for YouTube, Y2Mate, SSYouTube, Freemake Video Downloader, and More!
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SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
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Full Screen for Firefox
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
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Cast Kodi
Cast videos and music from more than 50 sites (YouTube, Twitch, Vimeo, SoundCloud, torrents, …) to Kodi with context menu and remote control.
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YouTube Repeat Button
Adds a repeat button to the HTML5 player to loop over a single track after 1 second delay
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Free YouTube Video Downloader
Easily download your favorite YouTube videos in high quality with just a click. Build your video library, enjoy offline viewing, and share with friends—anytime, anywhere!
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Easy Youtube Player - Picture in Picture
Watch videos in a floating window while you work or browse. This extension offers a simple PiP experience for YouTube and many video
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Video Transformer
Zoom, stretch, reposition, rotate, and flip video and images using hotkeys.
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Quetta Video Downloader
One-click video downloads. Supports HLS, M3U8, MP4, WebM, and more.
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YouTube Video Downloader 4K
Convert2MP3 Online Video Downloader allows to download videos & shorts from the YouTube. Our 4k HD downloader button on below YouTube video provides fast and easy video download from YouTube upto 4k. Try best 4K YouTube Video & Shorts Downloader
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Rotate that Video Player
Improve your video experience by effortlessly rotating your video clips by 90, 180, or 270 degrees.
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Download Dailymotion videos
Download videos, subtitles, thumbnails, posters, filmstrip, tags from Dailymotion
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Save4k
Скачать видео с YouTube.com, VK.com, Ok.ru, Facebook.com, Instagram.com, Soundcloud.com в 4К или 8К качестве!
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Volume Master
Very lightweight volume master. Boost any tab's volume up to 1000%. Per-tab control, dark mode, and audio presets.
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![Volume Control [Boost volume]](https://addons.mozilla.org/user-media/addon_icons/2750/2750023-64.png?modified=33d02c4f){kind=icon}
