Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Grammar and Spell Checker - LanguageTool
With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.
45,034 users
Google™ Translator
a handy multi-language translator built on top of Google translate.
28,915 users
Clippings
Save frequently-entered text for pasting later.
30,909 users
Enhancer for YouTube™
Tons of features to improve your user experience on YouTube™.
500,345 users
Brief
Brief makes reading RSS feeds as easy and intuitive as it gets. Designed to have exactly the right set of features, it is powerful and simple at the same time. Feeds are presented on a seamless, interactive page which let's you bookmark and tag items with a single click.
11,265 users
RSSPreview
Preview RSS feeds in browser
3,508 users
Feed Preview
Indicates available RSS and Atom feeds and renders previews.
2,475 users
mPage
Simple dashboard-like RSS feed reader.
572 users
Browsec VPN
Best VPN addon for Firefox.
334,311 users
Hoxx VPN Proxy
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
262,178 users
SetupVPN Lifetime Free VPN
Unblock any blocked website in your country, school or company. SetupVPN changes your IP address and location with just single click! It's free and easy to use. Setup your VPN now.
70,284 users
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
82,911 users
Tree Style Tab
Show tabs like a tree.
128,722 users
New Tab Override (WebExtension)
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
98,854 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
52,005 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
80,318 users