The acronym JPEG means "Joint Photography Experts Group". JPEG is a popular image file format. It is usually used by digital cameras to store photos as it supports 224 or 16.8 million colors. The format also supports various levels of compaction, which makes it ideal for web charts.

The acronym PNG means, Portable Network Graphic (network portable graphics), a type of crawled image file. It is a type of popular archive between web designers because it works with graphics with transparent or semi -transparent backgrounds.