This format was developed to simplify use of Type1-fonts in some software. It’s 8-bit and so it’s quickly processed by programs and it has a compact structure. PFB contains additional metadata. Besides the storage of system fonts, a good example of its use is its application in AutoCAD to create font files with compilation.
A format for displaying and storing OpenType fonts. It can be scaled without losing font quality. Today the OTF library has more than 10 thousand fonts. Practically all fonts known today have an OpenType version. The format was based on Postscript and supports Unicode. It was initially developed by Microsoft, but today it belongs to Adobe.