Search by Image
A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.
315,224 users
2,741 users
600% Sound Volume
Up to 600% volume boost
148,189 users
Windscribe - Free VPN and Ad Blocker
Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.
87,585 users
scriptsafe-ff
The well known browser extension/addon that gives users control of the web and more secure browsing while emphasizing simplicity and intuitiveness. Since the original developer seemingly has abandoned the project. ... New Repo/Maintainer!
2,228 users
Chameleon
Spoof your browser profile. Includes a few privacy enhancing options. A WebExtension port of Random Agent Spoofer.
8,427 users
VPN add-on
Anonymous, secure and unrestricted VPN service! Unblock websites and access unlimited content with a free VPN by uVPN
27,106 users
Proxy SwitchyOmega
Manage and switch between multiple proxies quickly & easily.
57,160 users
Coupert - Automatic Coupon Finder & Cashback
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
248,968 users
Disable WebRTC
WebRTC leaks your actual IP addresses from behind your VPN, by default.
30,056 users
Clear Browsing Data
Delete browsing data directly from the browser toolbar. Clear cookies, history and cache with a single click.
18,825 users
Browsing Protection by F-Secure
Extension for protecting encrypted browsing with security products by F-Secure.
201,306 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.
1,003,433 users
Stylebot
Change the appearance of the web instantly
8,303 users
360 Internet Protection
This extension is web threat protection of 360 Total Security for Firefox. It identifies malicious URL in real-time and blocks web threats. The capabilities of anti-fraud, anti-phishing and anti-malicious URL will be enabled once installed.
82,647 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.
187,238 users
Plasma Integration
Multitask efficiently by controlling browser functions from the Plasma desktop.
68,106 users
DownThemAll!
The Mass Downloader for your browser
214,443 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.
61,781 users
SetupVPN Lifetime Free VPN
Unblock any blocked website in your country, school or company. SetupVPN changes your IP address and location with just single click! It's free and easy to use. Setup your VPN now.
98,717 users
Quick Accept-Language Switcher
Provides a quick way of changing the HTTP Accept-Language header so you can view and test websites with a different locale.
2,659 users
Phantom
A crypto wallet reimagined for DeFi & NFTs
76,094 users
Global Speed
Set a default speed for video and audio.
70,605 users
Stylus
Redesign your favorite websites with Stylus, an actively developed and community driven userstyles manager. Easily install custom themes from popular online repositories, or create, edit, and manage your own personalized CSS stylesheets.
109,887 users
Free Download Manager official extension
Free Download Manager integration with your Firefox browser
86,956 users