PNG was made for the web, and it has proven its worth. JPEG might be the format of a majority of the images. Still, PNG occupies an important niche that JPEG can’t effectively reach.

The World Wide Web Consortium (W3C), which manages web standards and guidelines, recently published new specifications for the PNG (Portable Network Graphics) image format. The updated format ...

The PNG file specification requires that a PNG image file always ends with an 'IEND' data chunk, with any data added after it being ignored by image editors and viewers. For example, below is the ...