Thanks, it turned out to work after all. After doing it with Kid Icarus, I got this, is this right?
Exactly, it looks like the 01, 02 & 03 files are the ones that you can edit, the 00 file is different and it can not be opened with the KIU save editor.
You should add this to the list @TheToxicRyu since it's an old editor but it works perfectly.
Bravely Default Village Save Editor
http://gbatemp.net/threads/release-bravely-default-village-save-editor.381061/