Digital File Formats

By Ali Aslam

JPEG

• JPEG Stands for Joint Photographic Experts Group.

• JPEG uses a lossy compression routine. Lossy compression means that the image loses quality and information each time it is saved

• JPEG compression is used in a number of image file formats.

• JPEG is the most common file used by digital cameras.

PDF

• Share files with others who don't have the same software.

• Share files that will look the same fonts and layouts on multiple computer systems.

• Create interactive forms that can be shared via email and the Web.

PNG

• PNG Stands for Portable Network Graphics.

• PNG Offers better compression than GIF.

• It can be used for 24 bit pictures (16+ million colours.