免费在线 G4 转 WBMP 转换器

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).

WBMP is a bitmaps wireless application protocol. Files with the extension .wbmp contain bitmap black and white images. In WBMP format monochrome images are in pixels. Pixels are presented in the form of units, are stored as white and pixels, represented as pairs are stored as black. WBMP images are used in a variety of mobile phones.