Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,269,975 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).
11,823,178 users
Tab Reloader (page auto refresh)
An easy-to-use tab reloader with custom reloading time settings for individual tabs
14,524 users
Social Fixer
Social Fixer for Facebook fixes annoyances, adds features, and enhances existing functionality to make FB more fun and efficient. Filter the news feed, hide sponsored posts and political posts, hide parts of the page you don't want to see, and more!
14,980 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,095,734 users
Web Security
Web Security actively protects you from malware, tampered websites or phishing sites that aim to steal your personal data.
241,717 users
Facebook Container
Prevent Facebook from tracking you around the web. The Facebook Container extension for Firefox helps you take control and isolate your web activity from Facebook.
260,719 users
Privacy Badger
Protects your privacy by blocking spying ads and invisible trackers.
402,262 users
[Dark Theme] - Native Dark
Native Dark mainly replaces the default themes of Firefox, because the light theme was adaptive in the titlebar and not the tabs. It allows for the same adaptive titlebar as the default light theme but combines the aesthetic of the dark theme's tabs.
2,168 users
Worldwide Radio
Listen to live radio stations from around the world!
2,269 users
Envify
Colorify tabs with current env
834 users
Session Sync
Save sessions as bookmarks and sync them through Firefox Sync. Advanced Session Manager: edit, save, change, restore. But it can also be your best Bookmark Manager
3,996 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).
11,823,178 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,792,997 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,269,975 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,396,215 users