Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
17,921 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.
17,860 users
History Cleaner
Deletes browsing history older than a specified number of days.
12,842 users
Private Bookmarks
Enables a password-protected bookmark folder.
9,478 users
Adblock Plus
One of the most popular free ad blockers for Firefox. Block annoying ads on sites like Facebook, YouTube and all other websites. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
4,782,965 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.
1,186,603 users
AdBlock for Firefox
The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.
1,141,219 users
Norton Safe Web
Protects your browser from online threats.
752,127 users
LastPass Password Manager
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
658,131 users
Malwarebytes Browser Guard
The fastest and safest web browsing experience.Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
557,112 users
Kaspersky Protection 2021
Your protection on the Internet with extension from Kaspersky Lab
519,409 users
MetaMask
Ethereum Browser Extension
516,732 users
Browsec VPN - Free VPN for Firefox
Unblock geographically restricted content and protect your IP with Browsec’s add-on. With this Firefox VPN, you can stay anonymous for an unlimited time! Use free remote servers to hide your location and access any content you want.
440,430 users
Norton Password Manager
Norton Password Manager. Secure. Smart. Simple and Safe.
404,970 users
Web Threat Shield
Keeps you safe when browsing the web by identifying and blocking dangerous websites.
400,537 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.
337,704 users
1Password
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
279,468 users
Startpage — Private Search Engine
This extension protects users from being tracked while allowing them to search the web in complete private mode.
236,250 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.
210,655 users
Belgium eID
Use the Belgian electronic identity card (eID) in Firefox
181,696 users
Avira Browser Safety
Avira Browser Safety helps identify internet addresses that are harmful to your system when you are browsing the web and protects your privacy by preventing invisible trackers.
153,415 users
Qwant VIPrivacy
Qwant VIPrivacy sets Qwant.com as your default search engine, blocks trackers for you to protect your personal data while you browse.
153,299 users
Firefox Relay
Firefox Relay lets you generate email aliases that forward to your real inbox. Use it to hide your real email address and protect yourself from hackers and unwanted mail.
145,634 users
NordVPN – A VPN Proxy Extension for Firefox
Looking for the best VPN for Firefox? Make sure it’s one that’s both fast and secure — like NordVPN. Our Firefox VPN proxy extension lets you hide your real IP, change your virtual location, and stay safe online.
145,309 users
Firefox Translations
Translate websites in your browser, privately, without using the cloud.
128,472 users