HTTPS Everywhere
Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.
482 386 users
Google Search Fixer
Override the user-agent string presented to Google Search pages to receive the search experience shown to Chrome.
7 457 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4 722 607 users
Adblock Plus
Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
11 277 102 users
Privacy Possum
Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.
55 048 users
Privacy Badger
Protects your privacy by blocking spying ads and invisible trackers.
557 578 users
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web with multiple identities or accounts simultaneously.
149 279 users
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Whitelist the ones you trust while deleting the rest. Support for Container Tabs.
131 303 users
Youtube Downloader (VIDEO & MP3)
Save video and mp3 from any Youtube video in High definition HD or Standard definition SD.
1 167 users
YouTube Video Downloader
Download any video from YouTube to your favorite format.
1 391 users
YouTube Download Helper
2018 updated downlaod helper for YouTube. Download any video from YouTube to MP3, MP4, WEBM, M4A or 3GP. Subtitles and thumbnails also available for download with a single mouse click!
18 460 users
Amadello
Amadello - Shoppinghelfer. Du hast ein cooles Produkt gefunden, würdest es aber am liebsten direkt bei Ebay oder Amazon kaufen oder erst Preise vergleichen bei IDEALO? Kein Problem Amadello hilft dir mit nur einem Klick.
2 435 users
Enhancer for YouTube™
Tons of features to improve your user experience on YouTube™.
362 281 users
Iridium for YouTube
YouTube with more freedom
17 135 users
Turn Off the Lights
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. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, Hulu, Metacafe, YouKu, etc.
46 310 users
YouTube Control Center
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
7 513 users