KVM/qemu-img/qemu-img info

$ qemu-img info test.vmdk (VMDK) image open: flags=0x2 filename=test.vmdk image: test.vmdk file format: vmdk virtual size: 20M (20971520 bytes) disk size: 17M

$ qemu-img info image-qcow.qcow2 image: image-qcow.qcow2 file format: qcow2 virtual size: 10G (10737418240 bytes) disk size: 136K cluster_size: 65536

$ qemu-img info MY_image-qcow.qcow2 image: MY_image-qcow.qcow2 file format: qcow2 virtual size: 20G (21474836480 bytes) disk size: 7.5G cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: true refcount bits: 16 corrupt: false

Notes:
 * Encrypted information will be available only if the image is encrypted (The use of encryption in qcow and qcow2 images is considered to be flawed by modern cryptography standards)
 * Snapshot list: A list of all internal snapshots