XCF is a file format from the raster graphics category developed by GIMP. The specified extension is considered the standard image format specifically for the GIMP graphics editor. In its characteristics, XCF is very similar to the PSD raster graphics format, which is native to Photoshop. XCF files do not support the function of saving the "history of cancellations", however, for other characteristics, they are highly praised by experts. So, they retain channels, transparency, layers, guides. Data compression in this format is lossless. The name of the format is associated with the organization of experimental computing (eXperimental Computing Facility) of the University of California, Berkeley.
JPC is a bitmap image format that uses advanced JPEG 2000 wave compression. It is classified as a JPEG 2000 Code Stream File. JPEG 2000, in turn, is a popular standard for compressing wavelet image data. The .JPC extension supports color depths of 8, 24, and 32 bits per pixel. Also supports grayscale, RGB, YCbCr, XYZ and Lab color space. The file was developed by the standards committee of the Joint Photographic Experts Group. JPC is the successor to the JPEG image format, which is very popular and very common. The updated format is able to provide many additional features. In particular, color spaces. JPC has also gained fame as a variant of JPEG2000. It belongs to a large group of formats that bring a variety of updates to the original JPEG format. For example, J2C, JPM, or J2K. The .jpc file extension is a JPEG 2000 image stream file. This file can be opened using programs such as Corel PaintShop Pro X9, Adobe Photoshop Elements 14, Adobe Photoshop CC, ACD Systems ACDSee 20. You can also save memory snapshot files in the format JPC These JPC files are used by Java application developers.