Disk images

VHDX → VDI

Learn about the formats: What is VHDX? What is VDI?

At a glance

ConvertX.am converts VHDX files to VDI online, for free and without signing up. Upload a file of up to 500 MB and download the VDI result; uploaded and converted files are deleted automatically within about an hour.

Input:: VHDX
Output:: VDI
Price:: Free, no sign-up
File size:: Up to 500 MB
Your files:: Deleted automatically within about an hour

Convert Microsoft Hyper-V virtual hard disk images (VHDX) to Oracle VirtualBox disk images (VDI) instantly. This tool is essential for administrators migrating workloads between hypervisors.

VHDX is the modern virtual hard disk format used primarily by Microsoft Hyper-V, supporting massive storage capacities up to 64TB and robust corruption protection. VDI, on the other hand, is the native virtual disk format utilized by Oracle VM VirtualBox. Converting VHDX to VDI restructures the underlying metadata and block allocation tables so that VirtualBox can successfully mount, boot, and manage the virtual drive without relying on Hyper-V infrastructure.

Because both VHDX and VDI are raw data containers for guest operating systems, the conversion is completely lossless and preserves all internal sectors identically.

Tips

Ensure the source VHDX is detached from any running Hyper-V virtual machines before starting the conversion.
Check your host storage capacity to temporarily accommodate both the original VHDX and the newly generated VDI file.
Verify that the target VirtualBox machine uses a compatible controller type (like SATA or SCSI) matching the boot configuration of the migrated disk.

Common use cases

Migrating a development virtual machine from a Windows Server Hyper-V environment to an open-source Oracle VirtualBox setup on a local workstation.
Testing enterprise Windows server images inside VirtualBox sandboxes for compatibility assessments.
Consolidating multiple virtualization platforms by standardizing virtual disk formats to VDI.

Why ConvertX stays free — forever

We built this project so anyone can convert files without paywalls, accounts, or hidden limits. Here is what that promise means in practice.

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Free tools today — and always

Every converter on ConvertX is free to use: no trials, no premium tiers, and no credit packs. We will never put core conversion features behind a subscription. Whether you convert one photo or a hundred files a week, the price stays zero.

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Privacy-first processing

Many image, audio, and video conversions run entirely in your browser. Your files never leave your device for those jobs. When server processing is required for documents or specialized formats, uploads are handled securely and removed automatically — typically within one hour.