Enhancer for YouTube™
Toma o controlo do YouTube e aumenta a tua experiência de utilizador!
573 672 utilizadores
Easy Youtube Video Downloader Express
A simple extension for superfast and easy YouTube downloads in FLV, 3GP, MP3, MP4, 720p, and 1080p formats.
565 865 utilizadores
AdBlocker for YouTube™
Remove all annoying ads from YouTube.
476 357 utilizadores
Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
331 303 utilizadores
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.
140 730 utilizadores
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.
135 549 utilizadores
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!
128 099 utilizadores
Download All Images
Easily save images with a wide range of customization features, such as file size, dimensions, and image type.
88 201 utilizadores
Unhook: Remove YouTube Recommended Videos Comments
Hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions.
77 019 utilizadores
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
70 995 utilizadores
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
59 753 utilizadores
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.
58 478 utilizadores
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
51 106 utilizadores
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!)
50 415 utilizadores
Feedbro
Advanced Feed Reader - Read news & blogs or any RSS/Atom/RDF source.
45 826 utilizadores
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
42 917 utilizadores
Turn Off the Lights
A página irá escurecer para que veja o vídeo como se estivesse no cinema.
41 970 utilizadores
Worldwide Radio
Listen to live radio stations from around the world!
36 815 utilizadores
Audio Equalizer
Stylish audio equalizer in toolbar popup.
36 687 utilizadores
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
3 003 991 utilizadores
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.
417 202 utilizadores
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.
247 137 utilizadores
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
184 284 utilizadores
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
163 332 utilizadores
600% Sound Volume
Up to 600% volume boost
150 209 utilizadores