PVieweR Tiny WIN32 PVR (Dreamcast Texture) Viewer and converter. not much to say, but free code and easy to use. drag and drop any pvr on the exe. 8kb binary because fuck bloated EXEs https://github.com/mrneo240/PVieweR
Oh great !! Thanks You can something in an pvr and see directly the result ! and it can the reverse i.e. put aimage and convert it in pvr ?