Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
366,093 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.
191,674 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.
166,031 users
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
88,768 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
58,771 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube & content selection. Make YouTube tidy&smart! Layout Filters Shortcuts Adblocker Playlist
56,158 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!)
45,564 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.
44,353 users
Worldwide Radio
Listen to live radio stations from around the world!
34,882 users
Global Speed
Set a default speed for video and audio.
62,340 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!
59,044 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.
33,831 users
Hide Youtube-Shorts
Hides YouTube-shorts videos from home page, subscriptions, search results.
32,439 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.
30,513 users
Instagram Downloader
Help users download images and videos easily on Instagram
24,262 users
Youtube Audio
Stream just the audio from YouTube to save bandwidth and battery life
23,568 users
BlockTube
YouTube™ Content Blocker Block channels and videos from YouTube™ Fast and easy
22,172 users
Image Picka
An image downloader built with webextensions
15,508 users
Metastream Remote
Watch streaming media with friends.
15,164 users
UnTrap for YouTube
Hide YouTube recommendations, shorts, comments, suggestions, related videos, trending and other distractions.
15,068 users
Media Helper for Instagram
Easily download Instagram pictures and videos.
13,166 users
UltraWideo
The cross-browser extension that manipulates video aspect ratio to fit your entire screen. Take control over cinematic black bars. Netflix | Prime Video | Disney+ | Hulu | ESPN | + Many others...
12,586 users
Awesome Vimeo Downloader
Download video from Vimeo by injecting download buttons directly into Vimeo player.
11,779 users
Youtube Downloader
Simplify YouTube downloads: one click, no hassle.
9,865 users
Telegram
Telegram Web
9,329 users