無料オンラインOTFからG4へのコンバーター

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.

G4 is a method to compress black and white images without losing quality. It is used for fax machines and as a one of the compression types for the TIFF format. G4 treats a picture as black dots and lines on a white page (less file size will be achieved if there are less black dots and lines).