MacFonts Series 4 All fonts are commercial use: No royalties or fees to pay. All fonts are OpenType. With OpenType fonts, everything you need is contained in a single file that is compatible with all of your applications. Interactive preview window that allows you to type in any text and adjust its size, color and style. All fonts are 100% embeddable in common file formats like PDF. Includes a handy printed guide, allowing you to easily preview all fonts.