vidma is a small utility that helps you manipulate virtual disk images. Currently supported operations: resize. Currently supported formats: VDI (Virtual Disk Image).
Usage: ./vidma < input file > < new size in MB > [output file]
What's New in This Release: [ read full changelog ]
· Unallocated blocks of zeroes are handled now properly (important for shrinking dynamic images).
· Non-zero extra blocks are supported now.
· Upcoming image size change is shown before the resize operation, along with the required free space for the operation and free space that is available on the volume at the moment.