png to mif conversion is probably related to graphics conversion between standard PNG graphics format and ImageMagick image format (MIF). Except for the obvious ImageMagick graphic editor, this export should also be doable with several other tools that supports the MIF/MIFF format.
What is also true though is that numerous other file types use .mif extension, so perhaps a different of this conversion might exist as well. But it's unlikely to be another direct graphics conversion.
Updated: October 11, 2023