About Prosto Sans Bold ? is free font which is a cropped version of the Prosto Sans font family. Prosto Sans quality sans serif fonts created for casual use in interactive environments. This font family was based on the legendary Prosto free font. We added in this font family new typefaces and support for many codepages and languages. The fonts are very convenient to use in web, mobile apps and in desktop computers. The font family Prosto Sans contains many languages and alphabets, and is compatible with other TypeType fonts.