raster format

What is a .DCM file?

DCM (DICOM) is the universal standard for medical imaging — MRI, CT and X-ray scans — bundling the image with patient and scan metadata.

Full name
DICOM Medical Image
Developed by
NEMA
Released
1993
Extension
.dcm
MIME type
image/dcm
Transparency
Varies

How to open a DCM file

DCM opens in medical viewers like RadiAnt, Horos and OsiriX; convert to JPG/PNG to share a plain image (without clinical data).

What DCM files are used for

Photos & web images

Share, post and embed pictures across sites and apps.

Editing & design

Work with the format in editors like Photoshop and GIMP.

Storage & archiving

Keep memories and assets in a widely-readable form.

Strengths & limitations

✔ Strengths✖ Limitations
Excellent compatibilityNo transparency support
Limited support — may need converting

Need more than a conversion?

Remove the background from DCM images, upscale to 4K, or generate new visuals with SharkFoto AI.

Frequently asked questions

DCM (DICOM) is the universal standard for medical imaging — MRI, CT and X-ray scans — bundling the image with patient and scan metadata.

DCM opens in medical viewers like RadiAnt, Horos and OsiriX; convert to JPG/PNG to share a plain image (without clinical data).

DCM is optimised for its specific use rather than strictly lossless storage.

Use SharkFoto's free tools — upload your DCM file and convert it to a more convenient format in seconds. It's free, processed securely and never stored.

No — DCM doesn't store transparency; convert to PNG or WEBP if you need it.