CX ConvertX
Disk images

VHD → VMDK

Learn about the formats: What is VMDK? What is VHD?

At a glance

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

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

Convert VHD disk images to VMDK format instantly using ConvertX. This conversion is essential for system administrators migrating virtual machines from Microsoft Hyper-V to VMware environments.

VHD (Virtual Hard Disk) is the native disk image format used by Microsoft Hyper-V, Virtual PC, and Azure, while VMDK (Virtual Machine Disk) is the standard format developed by VMware for ESXi, Workstation, and Fusion. When you convert VHD to VMDK, the structure of the virtual drive and its partition table are translated so that VMware hypervisors can mount, boot, and manage the guest operating system correctly without compatibility errors.

The conversion from VHD to VMDK is entirely lossless because it translates sector data and file systems directly. The final file size changes only insignificantly due to metadata differences between the two formats.

Tips

Common use cases

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.

🎁

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.

🔒

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.

File formats: what to choose

A quick guide to strengths and trade-offs of popular formats — so you pick the right one before converting.

💿

Disk images

Virtual disks and raw drive images.

Common extensions: ISO, IMG, VHD, VMDK, QCOW2

Advantages
  • + ISO is standard for installers and OS images
  • + VM formats bundle entire systems
  • + Preserves exact byte-level copies
Disadvantages
  • − Images are often several gigabytes
  • − Conversion between VM formats can be slow
  • − Boot sectors may break if format changes
🖼️

Images

Raster and vector graphics for web, print, and photography.

Common extensions: PNG, JPG, WebP, AVIF, GIF, SVG, HEIC, TIFF

Advantages
  • + WebP and AVIF offer excellent compression for the web
  • + PNG keeps transparency and sharp edges
  • + SVG scales without quality loss
Disadvantages
  • − RAW and TIFF files are large and slow to share
  • − JPEG loses quality on every re-save
  • − Some formats are not supported in older browsers
📄

Documents

Office files, PDFs, ebooks, and plain text.

Common extensions: PDF, DOCX, XLSX, PPTX, ODT, EPUB, TXT

Advantages
  • + PDF locks layout for printing and sharing
  • + DOCX and ODT are easy to edit collaboratively
  • + Plain text works on any device
Disadvantages
  • − PDF is hard to edit without special tools
  • − Complex layouts may shift after conversion
  • − Scanned PDFs need OCR for editable text
🎬

Video

Clips, streams, screen recordings, and movies.

Common extensions: MP4, WebM, MOV, MKV, AVI, MPEG

Advantages
  • + MP4 (H.264/H.265) plays almost everywhere
  • + WebM is efficient for web embedding
  • + MKV can hold multiple audio and subtitle tracks
Disadvantages
  • − High-resolution video needs lots of storage and bandwidth
  • − Re-encoding always takes time and may reduce quality
  • − Some codecs require licensing for commercial use

Frequently asked questions

Yes. The conversion transfers all sectors and file systems without loss, so your OS, applications, and files remain completely intact.
The size variation is minimal and depends purely on how VHD and VMDK format headers and metadata structure are organized.
Yes, once uploaded and attached to a new virtual machine configuration, the VMDK file is fully bootable in ESXi.

Popular conversions