Click the "Select File" button above, and choose your DCM file.
You'll see a preview.
Click the "Convert file to..." button to save your file in the format you want.
Convert DCM to another file type
The converter easily converts your DCM DICOM images to various formats - free and online. No MicroDicom or or other Raster Image software needed.
DCM to JPG
DCM to PDF
DCM to JPEG
DCM to PNG
DCM to AVIF
DCM to APNG
DCM to BMP3
DCM to PS
DCM to ALIAS
DCM to PGM
DCM to RAW
DCM to RPF
Convert a file to DCM
To convert other file formats to the "DICOM Medical Image" file type, you need software like MicroDicom or a similar tool.
About DCM files
A .DCM file is a DICOM (Digital Imaging and Communications in Medicine) image. Hospitals and clinics use this format to store, transmit, and print medical scans like MRIs, CT scans, and Ultrasounds. A minor alternative use is storing XML-based 3D dental scan models for 3Shape CAD software.
To view a .DCM file, you normally need specialized medical viewing software such as MicroDicom, RadiAnt, or OsiriX. Standard image viewers, web browsers, and basic operating systems cannot read them natively.
The .DCM format presents severe disadvantages for everyday users. It is highly specialized and often bundles dozens of high-resolution 16-bit image slices into massive files that exceed standard email limits. Most importantly, it embeds sensitive Protected Health Information (PHI) directly into the file's hidden header tags. You cannot easily share or view a .DCM file without special tools, and doing so risks leaking private medical data.
To share medical scans with family or non-medical professionals, you must convert the .DCM file. For web viewing and mobile messaging, convert to JPG or PNG. For archiving printable records, convert to PDF. Note that converting will flatten multi-frame slices and intentionally strip away the hidden medical metadata. Drag and drop your file to analyze and convert it - free, online, and without installing software.
Use Convert.Guru to open and convert your DCM file.
If you want to convert DCM file to STL, MP4, DICOM, MP3, WAV, AAC, FLAC or OGG, you can use MicroDicom or similar software from the "Medical Imaging Data Storage" category. In the File menu, look for Save As… or Export….
To convert MIDI, AAC, TTA, AU, WV, DTS, MID, FLAC, RA, MP3, PCM or WAV files to DCM, try MicroDicom or another comparable tool in the "Medical Imaging Data Storage" category.
The DCM Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our DCM converter.