Convert DICOM to PNG Online
Convert DICOM to PNG in seconds. DICOM is the universal standard for medical imaging data exchange; PNG's strength is this: lossless compression plus full alpha transparency support. No software installation required — everything runs in your browser.
Drop your file here
DICOM (.dcm), NIfTI (.nii, .nii.gz), NRRD (.nrrd), MHA (.mha)
Max file size: 200 MB • Processed locally
Why Convert DICOM to PNG?
DICOM's limitation: requires specialized PACS or DICOM viewer software most general image tools don't have. PNG's strength: lossless compression plus full alpha transparency support — it doesn't share that constraint.
DICOM is the universal standard for medical imaging data exchange, commonly used for storing CT, MRI, X-ray, and ultrasound scans with embedded patient/study metadata. That focus comes with a real limitation: requires specialized PACS or DICOM viewer software most general image tools don't have. PNG doesn't share that problem — its strength: lossless compression plus full alpha transparency support.
If you need a file built for graphics needing sharp, exact detail but only have one built for storing CT, MRI, X-ray, and ultrasound scans with embedded patient/study metadata, converting is usually the fastest path — DICOM and PNG serve different enough purposes that recreating the asset from scratch rarely makes sense.
How to Convert DICOM to PNG
- Upload your DICOM file.
- MiConvert converts it to PNG, aiming to preserve what makes PNG useful: lossless compression plus full alpha transparency support.
- Download the converted PNG file.
- Use it directly with virtually every image editor and platform.
Key Features
- Converts DICOM into PNG, aiming to preserve what matters most: lossless compression plus full alpha transparency support
- Free for files up to 50MB, 100MB for registered accounts
- Understands that DICOM is the universal standard for medical imaging data exchange and PNG is a lossless raster format with alpha transparency, rather than treating the conversion as a blind format swap
- Purpose-built for the shift from storing CT, MRI, X-ray, and ultrasound scans with embedded patient/study metadata to graphics needing sharp, exact detail, not a generic pass-through
- No local software installation required for either side — not hospital PACS systems, OsiriX, RadiAnt, not virtually every image editor and platform — everything runs in the cloud
Video Tutorial
Changing a DICOM file to PNG has never been easier! Watch this detailed guide on how to do it completely free right in your web browser. 🔗 Visit MiConvert: https://miconvert.com/en/dicom-to-png?utm_
Frequently Asked Questions
Why does PNG exist as a separate format instead of everyone just using DICOM?
Because they're built for different jobs — DICOM is aimed at storing CT, MRI, X-ray, and ultrasound scans with embedded patient/study metadata, while PNG is aimed at graphics needing sharp, exact detail. Neither format is "better," they just fit different parts of a workflow.
How long does the conversion take?
Most conversions finish in 10-30 seconds. Larger or more complex files can take up to a minute.
Will I lose anything converting DICOM to PNG?
Converting to PNG means adapting to a real constraint: larger file sizes than lossy formats for photographic content. Anything DICOM carries — built as it is for storing CT, MRI, X-ray, and ultrasound scans with embedded patient/study metadata — that has no equivalent there won't make the trip, but the core content converts faithfully.
What's the real difference between DICOM and PNG?
DICOM is built around storing CT, MRI, X-ray, and ultrasound scans with embedded patient/study metadata (the universal standard for medical imaging data exchange). PNG is built around graphics needing sharp, exact detail instead (a lossless raster format with alpha transparency) — different enough that this is a genuine format conversion, not just a rename.
Can I convert the file back from PNG to DICOM afterward?
Only what PNG actually carries can come back — anything specific to DICOM's role in storing CT, MRI, X-ray, and ultrasound scans with embedded patient/study metadata that didn't survive the original conversion won't reappear.