Video Downloader Prime
Easily download most popular video formats.
91,949 users
Blur
Protect your Passwords, Payments, and Privacy.
60,858 users
Font Finder (revived)
An easy-to-use font inspector to get CSS styles of the selected element
19,546 users
Fraudscore
Block unwanted dangerous malware while keeping your personal information safe. Fraudscore's Artificial Intelligence tracks and blocks shady advertisements, malicious websites, and software that tries to steal your personal information.
5,917 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,107,736 users
Web Security
Web Security actively protects you from malware, tampered websites or phishing sites that aim to steal your personal data.
245,583 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.
263,836 users
Privacy Badger
Protects your privacy by blocking spying ads and invisible trackers.
404,782 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.
2,374 users
Worldwide Radio
Listen to live radio stations from around the world!
2,519 users
Envify
Colorify tabs with current env
882 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
4,092 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).
11,904,515 users
uBlock Origin
Finally, an efficient blocker. Easy on CPU and memory.
4,821,890 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,288,661 users
Easy Screenshot
Capture a screenshot of the whole webpage, and save in your desktop in default.
2,407,785 users