AdGuard extension for Firefox

AdGuard AdBlocker effectively blocks all types of advertising on all web pages, even on,, and others!
By downloading the program you accept the terms of the License agreement
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 Anti-Adblock scripts
You won't have to disable the AdBlocker to visit the websites that use such prohibiting scripts. Send a word to out tech support team and we'll handle it!
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!
More on AdGuard
We are always open to communication. You can leave feedback on Browser extensions on our Forum.
We have an open bug tracker, so feel free to report issues or simply check what we are working on at the moment.
Have a question that is not answered on this page? Head to our Knowledgebase, as it is likely to be covered there.