Free Online XCF to G4 Converter

This is a file format for storing projects in the GIMP image editor. It supports the storage of vector and bitmap graphics, layers, guides, selections, and channels that are saved in an XCF project in a compressed form but without loss of quality. It is the analogue of PSD for the Photoshop software.

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).