How do JPEG and PNG files differ?

JPEGs (Joint Photographic Experts Group) can be either CMYK or RGB color space, but do not support transparency (hence always have a “white box”). A “lossy” bitmap (compression removes details), JPEG sacrifices clarity for small file size. 

PNG (Portable Network Graphics) supports only the RGB color space, but supports transparency while retaining a relatively small file size. A “lossless” file type, it is often the preferred choice for bitmaps.

   —A&E Corel Columnist

Doug Zender

Doug Zender

Doug Zender has used CorelDRAW extensively since version 4. His goal is to minimize the intimidation of the program and give users the sense that CorelDRAW is a friend, not an adversary. Doug began as a design artist, then moved into the sign industry in 1992 doing vinyl graphics. You can contact him at

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