Convert WIA to WBFS

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The main advantage of wia to wbfs conversion is the reduction in file size that the WBFS format offers, considering Wii discs are filled with padding data that must be present in the ISO but that the WBFS file system can strip away. This can allow some smaller games to go from a 4.7 GB (4.37 GiB) ISO file to less than a hundred megabytes as any unused space on the disk will be filled by this padding data. You can easily convert wia to wbsf with Wii Backup Fusion or similar utility.

Open WIA file    Open WBFS file