Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
445,806 users
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
429,640 users
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.
188,213 users
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.
158,850 users
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!
143,786 users
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
115,874 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)
110,806 users
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
105,974 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
78,188 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
60,465 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.
47,129 users
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.
46,727 users
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!)
44,583 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
39,676 users
PhotoShow
Hover to zoom and view high-definition images. Instantly enlarge visuals, crafted for all your favorite websites—and for you.
3,910 users
Show Video Controls for Firefox
Automatically enables video controls when playing html webm videos.
1,423 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
1,910,109 users
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, Odnoklassniki.ru, Soundcloud.com and more than 40 other just in one click.
396,744 users
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 with a button.
223,027 users
FireShot: Full Web Page Screenshots (♥♥♥♥♥)
FireShot makes full page screen captures - http://bit.ly/RlBQMV Screenshots are quickly captured and: ― Saved as Image / PDF with links and text ― Sent to clipboard ― Printed Capture all open tabs or provide a list of the URLs for grabbing
167,712 users
