A PNG file is a Portable Network Graphics file. The format uses lossless compression and is generally considered the replacement for the GIF image format. PNG files store graphics on websites. Some ...

From left to right, these files are: 24-bit JPG Compressed, 8-bit GIF, 8-bit PNG, Full Quality 24-bit JPG, and 24-bit PNG. Note that the file sizes increase in this same direction.

The World Wide Web Consortium (W3C), which manages web standards and guidelines, recently published new specifications for ...