Free online DICOM viewer
Drag in a DICOM folder and view it instantly in 2D and 3D — right in your browser. Nothing is uploaded: the files are decoded locally, so your images stay private on your device.
Opens: A folder of DICOM (.dcm) files, or a DICOM ZIP export from a CD. · Files are processed in your browser — nothing is uploaded.
How to use it
- 1.Click “Upload DICOM folder” and pick the folder from your scan CD or export.
- 2.The series are decoded in your browser (via dcm2niix compiled to WebAssembly).
- 3.Scroll slices, switch planes, rotate the 3D view, and adjust the window.
- 4.Optional: export a de-identified NIfTI copy, or get a plain-language AI report.
FAQ
- Is this DICOM viewer really free?
- Yes. Viewing DICOM files here is completely free and needs no account.
- Are my medical images uploaded to a server?
- No. DICOM files are decoded locally in your browser with WebAssembly, so the pixel data never leaves your device.
- What DICOM files does it support?
- Standard DICOM series from MRI, CT and similar modalities. Some vendor-specific compressed transfer syntaxes may need converting to NIfTI first.
- Can it explain what my scan shows?
- The viewer is free. If you want a plain-language explanation, you can create an account and run an AI report on your uploaded, de-identified scan.
Want your scan explained in plain language?
The viewer is free. Create an account to upload a scan (de-identified in your browser) and get an AI-generated, plain-language report and grounded Q&A. Informational only — not a medical diagnosis.