qemu-img convert --help
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Supported formats: blkdebug blklogwrites blkverify bochs cloop compress copy-on-read dmg file ftp ftps gluster host_cdrom host_device http https iscsi iser luks nbd nfs null-aio null-co nvme parallels qcow qcow2 qed quorum raw rbd replication ssh throttle vdi vhdx vmdk vpc vvfat
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Szóval arra konvertálod át amire akarod.