GPT fdisk

GPT fdisk is a tool for working with disks in the command line. It contains commands for editing GPT table definitions. There is also a conversion option:

• MBR to GPT without losing data on the disk,
• BSD disklabel (first sector of the disk) to GPT,
• create a hybrid MBR or convert GPT to MBR without data loss,
• repair a corrupted GPT data structure,
• repair corrupted MBR data structure (FixParts).