Free online VHDX to QCOW2 converter
Convert Microsoft VHDX virtual disks to QCOW2 for QEMU/KVM use.
Convert VHDX to QCOW2 online - free
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How to convert vhdx to qcow2 file
- Virtualization
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Source format: VHDX
VHDX is Microsoft’s newer virtual hard disk format, introduced with Hyper-V. It is used to store the contents of a virtual machine’s disk as a single file, including the operating system, applications, and data. Compared with older VHD files, VHDX supports larger capacities, better resilience against corruption, and improved performance for modern virtualization workloads. It is commonly used by Windows administrators, developers, and IT teams running virtual machines on Hyper-V or related Microsoft virtualization tools.
Target format: QCOW2
QCOW2 is the standard disk image format for QEMU and KVM-based virtualization. It is widely used on Linux and in cross-platform virtual machine environments. QCOW2 supports features such as copy-on-write, snapshots, compression, and sparse allocation, which can save storage space and make VM management more flexible. It is a strong choice when moving a VM disk from a Microsoft-based environment to Linux virtualization platforms or when preparing images for QEMU-compatible tools.
How to perform the conversion
The most reliable way to convert VHDX to QCOW2 is with qemu-img, a command-line tool included with QEMU on many systems.
- Install QEMU tools if they are not already available. On Linux, this is often provided by a package such as
qemu-utils. On Windows or macOS, install a QEMU build that includesqemu-img. - Open a terminal or command prompt.
- Run the conversion command:
qemu-img convert -f vhdx -O qcow2 source.vhdx destination.qcow2 - If needed, verify the result with:
qemu-img info destination.qcow2 - Use the resulting
destination.qcow2file in QEMU, KVM, libvirt, or another QCOW2-compatible virtualization platform.
If you prefer a web-based workflow, you can convert the file on 101convert.com for free without installing any software.
Notes on quality, compatibility, or limitations
The conversion is usually lossless at the disk-image level, meaning the file system and data inside the virtual disk are preserved. However, the converted image may still need VM configuration changes, such as adjusting the boot firmware, storage controller type, or guest drivers, depending on the destination hypervisor.
Be aware that QCOW2 features like snapshots and compression are format-specific; they do not automatically recreate Hyper-V checkpoints or Windows integration settings. Also, if the source VHDX is attached to a running VM, shut it down first to avoid data inconsistency. For best results, ensure the source disk is healthy and has enough free space during conversion, especially if the destination image is being created as a sparse file.
Note: This vhdx to qcow2 conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
VHDX vs QCOW2: format comparison
How the VHDX and QCOW2 formats compare on the properties that matter most for this conversion.
| Property | .VHDX Hyper-V Virtual Hard Disk v2 | .QCOW2 QEMU Copy On Write version 2 |
|---|---|---|
| Compression | Both | Both |
| Encryption | Yes | Yes |
| Split archives | No | — |
| Bootable | Yes | Yes |
| Operating system support | Wide | Wide |
| Typical file size | Large | Medium |
| Open standard | Partly open | No |
| Introduced | 2012 | 2004 |
| Developer | Microsoft | QEMU project / Fabrice Bellard and contributors |
Frequently asked questions
Is the VHDX to QCOW2 converter free?
Yes, converting VHDX to QCOW2 on 101convert.com is completely free. No registration, email address or installation is required.
How large can my VHDX file be?
You can upload VHDX files up to 2000 MB and convert up to 1 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert VHDX to QCOW2?
No. The VHDX to QCOW2 conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid VHDX file for this VHDX to QCOW2 conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.