This format contains uncompressed RAW images, and it is used to create photos for archival storage. It has a TIFF structure and is distributed with open source. DNG is also used for the intermediate storage of digital images. It is supported by most camera manufacturers. It was developed by Adobe. It can be used to store multiple images, one of which is used for previews.
Format for representing colors in the three primary colors (red, green and blue), each of which has 255 gradations. In contrast to the standard RGB, it allows you to change the transparency of the entire image using the opacity parameter. It is less flexible in terms of transparency settings than RGBA.