AdBlock is a free browser extension that blocks or hides ads on web pages you visit in a browser in which AdBlock has been installed. It is one of the most popular ad blockers in the world and the most popular browser extension of any kind for Chrome and Safari.

What browsers does AdBlock work with?

Windows: Google Chrome, Mozilla Firefox, Microsoft Edge

MacOS: Chrome, Firefox, Apple SafariĀ 

ChromeOS (Chromebooks): Chrome

Linux: Chrome, Firefox

iOS (iPhone/iPad): Safari

Android: Samsung Internet, Firefox

Unsupported but compatible: Vivaldi, Pale Moon

How does AdBlock work?

Please see this post in AdBlock's Blog for an introduction to how ad blockers work.