Extensions: .dcm, .dicom

Developer: DICOM Standards Committee


BSD-licensed: Yes

Export: Yes

Officially Supported Versions:

Reader: DicomReader (Source Code, Supported Metadata Fields)

Writer: DicomWriter (Source Code)

Freely Available Software:

Sample Datasets:

We currently have:


Pixels: 4 - Very Good

Metadata: 4 - Very Good

Openness: 5 - Outstanding

Presence: 5 - Outstanding

Utility: 4 - Very Good

Additional Information

  • DICOM stands for “Digital Imaging and Communication in Medicine”.

  • Bio-Formats supports uncompressed, baseline JPEG, JPEG-2000 (lossy and lossless), and RLE lossless transfer syntaxes.

  • Support for reading and writing DICOM whole slide images (DICOM WSI format) was implemented through collaboration with NCI Imaging Data Commons and has been funded in whole or in part with Federal funds from the National Cancer Institute, National Institutes of Health, under Task Order No. HHSN26110071 under Contract No. HHSN2612015000031.

If you have a problematic DICOM file which you cannot send us for privacy reasons, please send us the exact error message and be aware that it may take several attempts to fix the problem blind.

See also

DICOM homepage