794 JPX (JPEG 2000 part 2) JPF JPEG 2000 Image (Raster) JPX is an image file format extended from JP2, providing the potential for extended colour space support, alternative compression methods, and other features. JPX may be used in applications that require additional functionality or data structures beyond those defined in the JP2 file format. Text Big-endian (Motorola) 1 Digital Preservation Department / The National Archives 02 Feb 2007 02 Feb 2007 fmt/151 PUID image/jpx MIME jpx File extension jpf File extension 720 JPEG 2000 with Extensions BOF: ....jP ..‡.{4}ftypjpx 1 Absolute from BOF 0 0000000C6A5020200D0A870A{4}667479706A7078