Simple Byteswapper for N64 Saves
This program is designed to convert N64 saves between different formats generated by various emulators, by cutting/padding the source file and/or performing a 32-bit byteswapping operation on it. Usage is pretty much straightforward and it's also explained in the program itself.
As of v1.5, sbn64 is able to convert to/from the formats generated by these emulators:
This code is of public domain, so just have at it.