With Filestar you get 22 different skills for working productively with QEMU Copy On Write Disk Image (.qcow) files.
About .Qcow
Name
QEMU Copy On Write Disk Image
Extension
.qcow
Format
Binary
Category
Disk Image
Developer
QEMU
Description
Qcow is a disk image file format used by the QEMU virtual machine software. It is a copy-on-write format that allows users to take snapshots of a virtual machine and save them to a file. Qcow files can be used to store operating systems, applications, and data, and they are compressed and support encryption.