uBlock Origin
Finally, an efficient wide-spectrum content blocker. Easy on CPU and memory.
10,658,294 users
AdGuard AdBlocker
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
1,692,413 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.
250,006 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.
247,770 users
AdBlocker Ultimate
Completely remove ALL ads. No “acceptable” ads or whitelisted advertisers allowed. This free extensions also helps block trackers and malware.
1,144,840 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.
242,400 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.
114,423 users
VPN
1VPN - Free VPN Proxy, Unlimited Data, Fast Speeds, Secure Encryption, No-Logs Policy, and Easy to Use.
95,643 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.
53,307 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!
25,393 users
Linguist - web pages translator
Translate web pages, highlighted text, Netflix subtitles, private messages, speak text, and save important translations to your personal dictionary to learn words in 130 languages.
14,759 users
SmartProxy
SmartProxy is a smart automatic proxy switcher that will automatically enable/disable proxy for the sites you visit, based on customizable rules.
6,400 users
Alerte sur les sites GenAI
Affiche une alerte sur des sites générés tout ou partie par des IA. Liste gérée par Next.ink
5,252 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
4,762 users
FMHY SafeGuard
An extension that detects starred, safe, unsafe or potentially unsafe sites using the FMHY Filterlist.
4,516 users
No Google Search Translation
No Google Search Translation is a extension to untranslate Google Search results (including YouTube videos titles). It also detects and redirects away from Google Translate proxy pages, taking you directly to the original URLs.
2,955 users
Brave Search (official) - Private Search Engine
Private, independent search for everything you do online. No profiling, no bias, no Big Tech. Now with a powerful Answer Engine, easy options to customize results ranking, and more.
2,843 users
LiteTube: Fix YouTube Lag & Adblock Detection
Fix YouTube Lag / Adblock Detection on Firefox issue by utilizing the lightweight Mobile API Lightweight YouTube (m.) without ads. Background Play, AdBlock, SponsorBlock, and Max Quality in one.
2,368 users
Remove Google AI Overview
Removes all AI overviews on Google.com, including the inline ones in the People Also Ask section. Supports Multiple Languages (English, Hindi, Tamil, Spanish, Portuguese, Japanese).
2,330 users
Script Blocker Ultimate (NoScript, Disable JS)
Best Script Blocker for Firefox. (Best in Performance, This addon does NOT track user activities same as others)
2,330 users
