Kill pop-up windows instantly. No confusing options, hassles, or awkward quirks. It runs quietly and efficiently in the background waiting to automatically zap any unwanted pop-up. It quickly and conveniently allows wanted pop-up windows so you don't have to exit the pop-up killer just to open a wanted pop-up window. You can allow pop-ups based on domain, URL, or window title. For advanced users, you can use shortcut keys to add to the Allow List.