PNG, short for Portable Network Graphics, is a popular and high-quality graphic file format. The PNG format is both lossless and supports transparency, making it great for webpages. You can view PNG ...

Tom Boutell is a modest guy. Considering that one of his most notable achievements is so much a part of the background of the web, figuratively and literally, maybe that character trait makes sense.

What’s inside a PNG file? Graphics, sure. But how is that graphic encoded? [Evan Hahn] shows you what goes into a single black pixel inside a 67-byte file. Why so many bytes? Well, that is exactly ...

PNG format gets an update to support HDR images while only adding a small amount of data. Major internet browser companies, including Chrome and Firefox, already support HDR-based PNGs. Future updates ...