Popup Blocker for Google Chrome™

This is the top extension to block annoying popups, popunders & overlays in an easy & effective way. Block all popups once you install this extension and enjoy your internet surfing experience once more. Whitelist websites that you wish to support, so you can whitelist selected websites and see popup ads on those websites. Notification will popup when a popup ad has been blocked, and you can choose whether to unblock the ad. You can also alert our servers whenever you find a popup which has not been blocked correctly. This allows us to update our technology to ensure the popup blocker is working at 100%.

Screenshots from Chrome Web Store