Extensions
Explore powerful tools and features to customize Firefox and make the browser all your own.
Bloody Vikings!
Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia 10minutemail.com and anonbox.net.
17,851 users
Video DownloadHelper
The easy way to download and convert Web videos from hundreds of YouTube-like sites.
3,007,851 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
4,244 users
Reverse Image Search
Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.
6,926 users
Смарт Дефендер
Смарт Дефендер тебе поможет! Немедленно узнай следует ли доверять определенной странице или лучше ли её закрыть. Смарт Дефендер тебя предупредит!
39,441 users
InlineDisposition Reloaded
InlineDisposition Reloaded changes the disposition type of "Content-Disposition" response headers from "attachment" and "file" to "inline"
1,436 users
Behind The Overlay Revival
Click to close any overlay popup on any website.
19,221 users
SoundFixer
Lets you fix annoying sound problems in YouTube videos and such. Like audio in one channel only, too quiet or too loud. (Unfortunately, doesn't work on many other websites because of cross-domain issues — but it does work on YouTube.com!)
14,692 users