JPEG 2000 Image
|Joint Photographic Experts Group
3.5 | 10 Votes
What is a J2K file?
The Joint Photographic Experts Group (JPEG) committee created the JPEG 2000 format in 2000 to replace the JPEG format. However, few applications and platforms adopted the format, and the JPEG format is still overwhelmingly favored.
There are several differences between J2K files and JPG files. For example, J2K files use wavelet compression instead of the Discrete Cosine Transform (DCT) compression used by standard .JPEG images. Also, J2K files store metadata that describes the image in the XML standard instead of the Exchangeable Image File Format (EXIF).
How to open a J2K file
How to convert a J2K file
Various applications, including Adobe Photoshop, CorelDRAW Graphics Suite, and Apple Preview, can convert J2K files to other formats.
For example, Adobe Photoshop can convert J2K files to many file types, including the following formats: