Flag Cookies
A cookie and browser storage data manager on steroids to mark, 'flag', and manage cookies using rulesets.
11,947 users
Sticky Password manager & safe
Never forget a password again. Sticky Password manager saves them securely and types them for you as you browse. Automatically!
11,507 users
Nervenschoner
Der Blocker der Verbraucherzentrale zaubert Cookie und Einwilligungs Banner einfach weg.
11,402 users
SQLite Manager
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
8,979 users
Privacy | Protect Your Payments
Privacy's Firefox add-on allows you to generate a new virtual card number with 1-click on any checkout page. Keep your payment info safe from data breaches, shady merchants, and sneaky subscription billing.
8,273 users
AdGuard VPN — Privacy & Security
Makes the Internet open and your data safe. Topnotch VPN from the creators of famous ad blocker.
8,092 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.
7,769 users
2FAS - Two factor authentication
2FAS extension is simple, private, and secured: one click, one tap, and your 2FA token is automatically entered!
6,814 users
Seznam Doplněk – Esko
Zkrátí cestu na Seznam.cz a ochrání vás před podvodnými stránkami.
6,595 users
Avast Password Manager
Easily secure all your passwords, credit cards, addresses, and sensitive information across the web and on any device.
6,417 users
Passwords & Codes-Safe
This extension allows to paste logins and passwords from SafeInCloud application.
6,161 users
You.com | The Search Engine You Control
Sets Firefox's default search engine to You.com
5,581 users
SmartProxy
SmartProxy is a smart automatic proxy switcher that will automatically enable/disable proxy for the sites you visit, based on customizable rules.
5,487 users
FindSomething
在网页的源代码或js中找到一些有趣的东西。欢迎一起交流,微信canxiao_xiao
5,184 users
Container proxy
Allows Firefox user assign different proxies to be used in different containers
4,798 users
4,709 users
Random User-Agent (Switcher)
Automatically change the user agent after a specified period of time to a randomly selected one, thus hiding your real user agent
4,534 users
WorkingVPN - The VPN that just works
Unblock websites, encrypt your connection, and browse securely with one click.
4,481 users
Skinport Plus
Enhance your trading experience on Skinport and Steam with Skinport Plus.
4,409 users
Aura
Aura secures your passwords and helps you browse online more securely and privately.
4,315 users
Cookiebro - Cookie Manager
Advanced cookie manager for easy cookie management and automatic deletion of unwanted cookies. Supports whitelist & blacklist and provides an easy-to-use interface for whitelisting domains. View, Edit, Create, Search cookies in Cookie Editor.
4,303 users
Password Manager
Automatically fills in login fields with passwords from the password vault. The add-on is not standalone and requires the password manager desktop app by F-Secure to be installed. For more information, visit https://www.f-secure.com/id-protection.
3,998 users
KeepSolid VPN Unlimited
VPN Unlimited - reliable, easy-to-use, and lightning-fast VPN extension for Firefox browser
3,961 users
Happy Right-Click 2
Enable Right-Click. Enable text copying.
3,883 users
KeePassHelper Password Manager
Helper extension to find and insert logins and passwords without copying them
3,775 users