Short description of CoffeeCup Free HTML Editor 9.4: If you want to totally stellar websites, consider the HTML Editor your best friend. HTML veterans, you'll create standards-compliant sites using tools like code completion and built-in validation. Rookies, you'll learn the ropes with resources like the comprehensive tag reference and vibrant website themes. And for those of you who like to stay on top of the latest and greatest web design developments, we have four words: HTML5 and CSS3 support.