It is certainly possible to convert disk images between BlindWrite and CloneCD, but you have to convert whole disk images including all the 'extra' files and not just the auxiliary files alone. in this case you have to look for bwi/b6i to img conversion entry actually, because the .bwi/.b6i files are the disk images and .bws files just contain subchannel data.
Updated: July 17, 2023