Free Online MEF to JFI Converter

The format was developed by Mamiya for use in its own cameras. It is mainly used to store photos in uncompressed form for further processing without loss of quality. It was created on the basis of the RAW-file principle. It contains a complete set of information that was obtained from the camera lens.

JFI is a raster image file format. It was developed by JPEG (Joint Photographic Experts Group) and are used to exchange the JPEG encoded data between applications and computer platforms. JFI is usually used to store bitmap graphics with full pallette.