PNG (Portable Network Graphics) is a replacement for the GIF format. It is a full-featured (non-LZW) compressed format intended for widespread use without legal restraints.
You can read the following bits per pixel: 1, 4, 8, 16, 24, 32.
You can write the following bits per pixel: 1, 4, 8, 24.
Blaze ImgConvert also supports reading (but not writing) interlaced PNG files.