Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
425,773 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.
217,265 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.
159,291 users
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
158,182 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)
101,958 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.
65,417 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
53,121 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!)
47,521 users
Hide Youtube-Shorts
Hides YouTube-shorts videos from home page, subscriptions, search results.
95,579 users
Ruffle - Flash Emulator
Putting Flash back on the web. Designed to be easy to use, this extension will seamlessly enable you to play flash content, with no extra configuration required!
78,439 users
Librezam
Open-source music recognition extension using Shazam API (also supports Audd, ACRCloud, Tencent, and NetEase APIs as alternative backends)
43,247 users
YouTube Downloader (UDL Helper)
Download YouTube / Instagram / Odnoklassniki videos and extract audio from video with just a few mouse clicks. Supported media formats are MP3, MP4, WEBM. Capture frames from online videos with a screenshot button.
26,753 users
Flash Player 2022
Play Flash anytime, even in 2022 and beyond, using an emulator. Want to fix "Adobe Flash Player is blocked" messages? This extension will remove those messages and allow you to play Flash in any website with a single click.
23,647 users
UnTrap for YouTube
Summarize YouTube videos with AI and Hide Distractions: shorts, ads, comments, related, suggestions, and more.
22,240 users
Video DownloadHelper
Download videos and audio from any website. Detects HLS, DASH, MP4, WebM, and more. Supports multiple quality variants, smart filenames, and works on both desktop and Android.
17,185 users
UltraWideo
Remove black bars and zoom any video to fill your screen — Netflix, YouTube & every site. Any monitor. Free forever.
15,042 users
