For command-line users. This Swiss Army knife repacks, verifies, and scrubs ISOs better than any GUI tool.
| Offset | Size | Description |
|--------|------|-------------|
| 0x0000 | 512B | Boot sector (similar to FAT) |
| 0x0200 | 512B | WBFS header (magic: WBFS, version) |
| 0x0400 | 4B | Number of disc slots (max 500) |
| 0x0404 | 4B | Sector size (usually 2KB = 2048B) |
| 0x0408 | variable | Disc table: each entry (Game ID + flags + size) | wbfs files wii repack
Result: Another 100-200 MB saved per game. For command-line users