Enhancer for YouTube™
海量自定义功能提升您的 YouTube 用户体验。
744,614 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.
579,271 个用户
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
520,049 个用户
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
269,211 个用户
Video Background Play Fix
Some sites may not work with Firefox for Android video background play feature. This add-on provides a quick fix by blocking the Page Visibility API and the Fullscreen API.
170,283 个用户
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.
153,565 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!
118,952 个用户
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
83,310 个用户
TinEye Reverse Image Search
Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.
60,180 个用户
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
53,706 个用户
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
44,519 个用户
Youtube Audio
Stream just the audio from YouTube to save bandwidth and battery life
44,097 个用户
Worldwide Radio
Listen to live radio stations from around the world!
41,245 个用户
Audio Equalizer
Stylish audio equalizer in toolbar popup.
32,601 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!)
30,525 个用户
网页截图
帮您方便的截取网页并保存为图片。
3,223,312 个用户
SaveFrom.net helper all-in-1 / youtube downloader
SaveFrom.net helper will enable you to download files from YouTube.com, FaceBook.com, Vimeo.com, Daylimotion.com, VK.com, Odnoklassnoki.ru, Soundcloud.com and more than 40 other just in one click.
449,639 个用户
Zoom Extension
Recommended, support FireFox 45+. The Zoom Firefox Extension allows participants to schedule Zoom cloud meetings directly from Google Calendar. you can start an instant meeting or schedule a future meeting via a button.
242,026 个用户
Video Downloader professional
- download and save videos embedded into a website to your hard disk - add youtube, vimeo and other videos easily to your video list - supports up to 4k videos
189,125 个用户
600% Sound Volume
Up to 600% volume boost
125,264 个用户
ZenMate Free VPN
ZenMate VPN - The best free Firefox VPN extension to hide your IP. Encrypt your connection, access our secure proxy servers & unblock websites easily.
103,561 个用户
Ant Video Downloader
Browser extension with a companion application for downloading and merging streaming video segments.
96,999 个用户