JP2 file open in Apple Preview 10.1
The JPEG 2000 standard was developed in the late-1990s by a Joint Photographic Experts Group (JPEG) committee to replace the JPEG standard released in 1992. It provides several improvements to the JPEG format, including The main improvement of the JPEG 2000 image compression standard is the incorporation of a wavelet compression algorithm instead of Digital Cosine Transform (DCT) compression used by standard JPEG images.
Apart from digital photos and web graphics, the JPEG 2000 compression standard is used for a large number of alternate applications. Some examples include digital cinema, broadcast media, medical imaging, and surveillance video.
NOTE: JP2 files may also be saved as .JPF or .JPX files.