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No. 9 of 23 ·Virtual Drive Software

ImDisk

Windows · API

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Freedom report

Two barsScore 6.4

  • Free tierA free tier is on its own pricing page
  • Open codeNo open-source code on record
  • Runs widely1 of 6 device platforms
  • DocumentedPlans, terms and facts published

ImDisk is a free virtual disk driver for Windows that creates virtual hard disk partitions, floppy drives, or CD/DVD drives from image files or system memory. It supports raw disk images and formats including VHD, VDI, VMDK, NRG, SDI, and BIN. The installer includes the imdisk.exe console program and a Control Panel applet, and adds an Explorer context-menu option to mount a file as a virtual disk. The driver can forward I/O requests to third-party image handlers or services on other computers over a network. ImDisk emulates disk volumes rather than complete disks, so mountvol and Disk Management cannot manage its drive letters or mount points, and shadow copies are not available on its drives. Physical-memory RAM disks require the separate AWEAlloc driver, which has not been included in the setup package since the May 2026 release. The maker says ImDisk receives maintenance fixes but has no new features planned and does not recommend its legacy design for recent Windows versions. The installer works on 32-bit and 64-bit Windows, but signing does not guarantee compatibility with every Windows version or security configuration.

Who it is for

ImDisk may suit Windows users who need to mount supported disk-image formats as virtual volumes. Its legacy design and stated compatibility limits are important considerations for users of recent Windows versions.

What is good

  • Free to download and use
  • Supports raw, VHD, VDI, VMDK, NRG, SDI, and BIN images
  • Includes console and Control Panel controls
  • Can forward I/O requests over a network
  • Source code is available on GitHub

What to know first

  • No new features are planned
  • Maker does not recommend its legacy design for recent Windows
  • RAM disks need a separate AWEAlloc driver
  • Shadow copies are unavailable on its drives

Verdict

ImDisk provides virtual volumes and image mounting on Windows, with several control options and network I/O forwarding. Its maker warns that the legacy design is not recommended for recent Windows versions, and physical-memory RAM disks need a separate driver.

ImDisk plans and pricing

All plans
ImDisk Virtual Disk Driver Free Free to download and use · voluntary usage fee welcome · alternative commercial licensing available on request ltr-data.se · 2 Oct 2026

Compared on virtual drive software

Free plan
Yes
Image formats
raw disk images, VHD, VDI, VMDK, NRG, SDI, BIN
Virtual disk files
Yes
Optical image mounting
Yes
Supported platforms
Windows

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