I present for your pleasure, MipCreator!
This is a command-line tool to convert images into MIP format.
Supported input formats are BMP, GIF (non-animated), JPG, PNG
Usage:
MipCreator.exe C:/path/to/input/image.png C:/another/image/etc.png "C:/paths with spaces/need quotation marks.png"
or you can convert images by right-clicking them, using "Open With.." and selecting MipCreator.
An input file "foo.png" will give an output file of "foo.mip".
REQUIRES .NET FRAMEWORK 4.
Version 1.0