ตัวแปลงไฟล์ออนไลน์ฟรี DXF เป็น G4

This format is used for exchanging graphics data between SAPR programs. It was initially created for AutoCAD in 1982. It contains information regarding vector graphics in binary or ASCII. It’s used as an open alternative to the closed DWG format.

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).