uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
7,836,120 users
DuckDuckGo Privacy Essentials
Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.
1,549,232 users
Ghostery – Privacy Ad Blocker
Ghostery is a powerful privacy extension. Block ads, stop trackers and speed up websites.
1,047,343 users
Cookie AutoDelete
Control your cookies! This WebExtension is inspired by Self Destructing Cookies. When a tab closes, any cookies not being used are automatically deleted. Keep the ones you trust (forever/until restart) while deleting the rest. Containers Supported
225,277 users
FoxyProxy Standard
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
208,683 users
Simple Tab Groups
Create, modify, and quickly change tab groups
79,078 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
76,998 users
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
66,100 users
Clear Cache
Clear browser cache with a single click or via the F9 key. F9 Fever! ;)
63,489 users
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
24,955 users
PocketTube: Youtube Subscription Manager
The best way to group your subscriptions Using this simple extension you can create collections that seamlessly fit into YouTube's layout.
19,590 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
18,520 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.
990,629 users
Firefox Multi-Account Containers
Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs. Cookies are separated by container, allowing you to use the web with multiple accounts and integrate Mozilla VPN for an extra layer of privacy.
368,870 users
I don't care about cookies
Get rid of cookie warnings from almost all websites!
324,168 users
Startpage
This extension protects users from being tracked while allowing them to search the web in complete private mode.
219,493 users
Avast Online Security & Privacy
Secure your Mozilla Firefox browser against real-time online threats, trackers, and scams. We’ll check every site you visit, from Facebook to your bank, so nothing puts you or your data at risk. Join a growing community of 400 million Avast users.
184,298 users
Pinterest Save Button
Save your favorite ideas online so you can easily get back to them later.
177,509 users
VPN VeePN - Free VPN for Firefox
Enjoy fast and secure free Firefox VPN Proxy extension. Unblock websites, protect your data, and browse freely – all at the highest connection speeds!
114,568 users
Mendeley Web Importer
Fast, convenient import of references and PDFs to your Mendeley Reference Manager library
103,434 users
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
86,718 users
Surfshark VPN Extension
Enjoy unrestricted internet while keeping online activity and personal information secure!
84,654 users
AVG Online Security
AVG Browser Security and Web Reputation Plugin. Offering protection against known phishing and malware sites, improving your browsing overall browsing experience with crowd sourced web reputation rating.
72,066 users
Cookie Quick Manager
An addon to manage cookies (view, search, create, edit, remove, backup, restore, protect from deletion and much more). Firefox 57+ is supported.
64,217 users
Cookie-Editor
Cookie-Editor lets you efficiently create, edit and delete a cookie for the current tab. Perfect for developing, quickly testing or even manually managing your cookies for your privacy.
60,810 users