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.

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 ...

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 ...

As we keep building on old image technology, types of file formats keep piling up, each with their own nuances and uses. JPG, PNG, and GIF have become the most common, but what sets them apart from ...

In late 1994, controversy was brewing over royalties being imposed on GIFs due to the Lempel–Ziv–Welch (LZW) data compression technique used to underpin this image format. Unisys, which had patented ...

There are two file types that emerged among the most widely used in digital imaging. These are the PNG and JPEG or JPG file formats. In Android devices, screenshots are saved in either JPG or PNG ...