AdGuard extension for Firefox

AdGuard AdBlocker effectively blocks all types of advertising on all web pages, even on,, and others!
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How to install
You can install the latest release from, download it from direct link, or install the latest standalone beta version (which doesn't have some of the limitations imposed by AMO), if you want to help us test AdGuard.
Ad blocking
Remove all ads in Mozilla browser (all kinds of them, even video ads). With a special setting you can also block manually ANY unwanted element on the page.
Safe browsing
Protect your personal data from third-party tracking systems, spyware, and adware. AdGuard will also warn you if you try to visit malicious or fraudulent websites.
Fighting adblock circumvention scripts
You won't have to disable the ad blocker to visit the websites that use such prohibiting scripts. AdGuard can handle most of the adblock circumvention scripts.
Already using the desktop program (AdGuard for Windows/ macOS)? Then the extension will become Assistant (very useful additional tool) and will carry out its duties.
AdGuard browser extensions are a great way to protect your favorite browser from ads!