Extensions are like apps for your browser.
They add features to Firefox to make browsing faster, smarter, or just plain fun.
Grammarly for Firefox
Grammarly will help you communicate more effectively. As you type, Grammarly flags mistakes and helps you make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.
824,417 users
YouTube in HD (720p, 1080p, 1440p, 2160p)
Watch YouTube in the full-HD quality or the highest available one
13,710 users
Clippings
Save frequently-entered text for pasting later.
31,742 users
Forget Me Not - Forget cookies & other data
Make the browser forget website data (like cookies, local storage, etc.), except for the data you want to keep by adding domains to a whitelist, graylist, blacklist, or redlist.
10,643 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.
11,424 users
RSSPreview
Preview RSS feeds in browser
3,549 users
Feed Preview
Indicates available RSS and Atom feeds and renders previews.
2,509 users
mPage
Simple dashboard-like RSS feed reader.
581 users
Browsec VPN
Best VPN addon for Firefox.
334,005 users
Hoxx VPN Proxy
Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.
262,878 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.
70,215 users
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
83,107 users
Tree Style Tab
Show tabs like a tree.
130,030 users
New Tab Override (WebExtension)
New Tab Override brings back the ability to change the page which is shown when opening a new tab.
100,269 users
Tab Auto Refresh
Automatically refresh tabs based on custom time intervals
52,666 users
OneTab
OneTab - Too many tabs? Convert tabs to a list and reduce browser memory
80,877 users