Tools for Pop Block Browser Extensions Pop Block uses a browser extension to modify your experience as you browse the web. In order to successfully use Pop Block, you must install the browser extension. Get yours now! Chrome Install Now! Installed Firefox Install Now! Installed Safari Install Now! Installed Internet Explorer Available soon! Installed Nonstandard Also Available For: Chrome Version 1.0.4 Firefox Version 1.0.4 Safari Version 1.0.5 Internet Explorer Available soon!