uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
9,368,035 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,360,917 users
Bitwarden Password Manager
At home, at work, or on the go, Bitwarden easily secures all your passwords, passkeys, and sensitive information.
857,857 users
NoScript Security Suite
The best security you can get in a web browser! Allow potentially malicious web content to run only from sites you trust. Protect yourself against XSS other web security exploits.
297,194 users
Decentraleyes
Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.
263,351 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,802,594 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.
234,325 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.
77,027 users
Popup Blocker Ultimate
Best Pop-up Blocker for Firefox. (Best in Rating, Performance, This addon does NOT collect user's data same as Poper Blocker)If your Firefox version is not 57+ please install version 8.1 from Official website.
63,355 users
Offline QR Code Generator
This add-on allows you to quickly generate a QR code offline with the URL of the open tab or any (selected) other text! 👍 It works completely offline protecting your privacy and has a big range of features like colored QR codes!
23,080 users
Free VPN
1VPN - Free VPN Proxy, Unlimited Data, Fast Speeds, Secure Encryption, No-Logs Policy, & Easy to Use.
7,609 users
SmartProxy
SmartProxy is a smart automatic proxy switcher that will automatically enable/disable proxy for the sites you visit, based on customizable rules.
5,585 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
4,747 users
FMHY SafeGuard
An extension that detects starred, safe, unsafe or potentially unsafe sites using the FMHY Filterlist.
2,067 users
codebox-一键复制代码/下载文章
本插件可以用于CSDN/知乎/脚本之家/博客园等网站,实现无需登录一键复制代码;支持选中代码;或者代码右上角按钮的一键复制;解除关注博主即可阅读全文提示;去除登录弹窗.
900 users
IP Whois
View info about IP, DNS records, SSL, country flag, domain whois, location, stats and more of any website.
800 users
CastleBlock
Removes the Paywall from certain webpages, such as some News Outlets. Use by clicking on the extension
588 users
Privacy Focused Site Blocker (by Avrodh.com)
Site blocker with a focus on privacy. Block unlimited websites with schedules, password protection, and custom blocked pages
542 users
