The seals should be 150x150 pixels in size, saved in PNG format.

Many people would argue that the PNG format gained backing due to the row over the GIF patent licensing issue.

The images are stored in PNG format.

It does not support PNG, and this limits its support on many websites where the new PNG format has been adopted.

"A 2-D x/y slice from all 4-D climate simulation data cubes, each one encoded in PNG format":

The PNG format (see below) was developed in 1995 as an intended replacement.

Although support for PNG format came slowly, new web browsers generally support PNG.

In 2004, an extension to the PNG format called APNG was proposed.

The PNG format is not designed for nor capable of random access to pixel data stored in the compressed chunks.

They are stored in PNG format in the "Gallery" app, inside the "Screenshots" folder.