Video DownloadHelper
从数百个类似 YouTube 的网站下载和转换网络视频的简单方法。
1,985,247 个用户
Enhancer for YouTube™
海量自定义功能提升您的 YouTube 用户体验。
710,815 个用户
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
595,452 个用户
Return YouTube Dislike
Returns ability to see dislike statistics on youtube
446,302 个用户
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
85,066 个用户
Youtube Audio
Stream just the audio from YouTube to save bandwidth and battery life
49,507 个用户
SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
29,582 个用户
Improve YouTube! (Open-Source for YouTube)
Make YouTube tidy & powerful! YouTube Player Size Theme Quality Auto HD Colors Playback Speed Style ad block Playlist Channel H.264
12,919 个用户
BetterTTV
Enhances Twitch and YouTube with new features, emotes, and more.
445,193 个用户
600% Sound Volume
Up to 600% volume boost
99,822 个用户
Flash and Video Download
Download videos and flash games very easily, with one click.
76,134 个用户
Global Speed: 视频速度控制
设置视频和音频的默认速度。
54,093 个用户
YouTube mp3
The YouTube-mp3 Add-on generates a "MP3" button on YouTube. Convert YouTube to mp3 and download the file to your device.
40,796 个用户
You.com | The Search Engine You Control
Sets Firefox's default search engine to You.com
10,592 个用户
RegretsReporter
The RegretsReporter browser extension, built by the nonprofit Mozilla, helps you take control of your YouTube recommendations.
10,487 个用户
Youtube™ Downloader
This extension allows you to download videos directly from youtube.
8,148 个用户
YouTube Screenshot Button
Take screenshots from YouTube Videos & YouTube Shorts.
7,774 个用户
Zoom for Firefox
Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.
6,772 个用户
Volume Control [Boost volume]
Boost, or lower your volume up to or down 32 DB.
6,469 个用户
LibRedirect
Redirects YouTube, Twitter, TikTok... requests to alternative privacy friendly frontends and backends.
4,376 个用户
Youtube to MP3 Converter & Downloader
Firefox extension to convert and download Youtube videos for free in MP3 format. This addon includes a button on any YouTube View Page and allows you to convert the YouTube Video to a mp3 file with just one click.
4,129 个用户
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.
3,941 个用户
视频下载专业版
直接从您喜爱的网站轻松下载视频:YouTube、Twitter、Pinterest、Soundcloud 和 Twitch!
3,797 个用户