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VMCraft Engine

5-7x Faster. Pure Python. No Dependencies.

VMCraft is the engine that powers hyper2kvm. 480+ API functions for direct disk I/O, filesystem modification, and driver injection -- without booting a heavyweight appliance. Runs anywhere, including inside containers.

480+
API Functions
5-7x
Faster Operations
<50 MB
Memory Footprint
Capabilities

Complete VM Manipulation

Everything you need to inspect, modify, and prepare virtual machine disk images for migration.

Disk Image Operations

Read, write, convert, resize, and snapshot QCOW2, VMDK, VHD, VHDX, and RAW images.

Filesystem Access

Direct access to ext4, NTFS, XFS, and FAT32 filesystems inside disk images.

Windows & Linux Fixing

Driver injection, boot configuration, network setup, and VMware tools cleanup for both platforms.

Guest OS Detection

Automatic identification of OS type, version, installed applications, and boot method.

Security & Integrity

Checksum verification, secure wipe, certificate injection, and security context preservation.

Container-Friendly

Runs anywhere without hardware virtualization support. No /dev/kvm required.

See VMCraft in Action

Schedule a live demonstration of the VMCraft engine and see how it powers enterprise VM migrations at scale.