Free medical imaging tools

Open, view and convert medical images right in your browser. Everything runs locally — your files are never uploaded — and no account is needed.

• Brain tumor MRI classifierUpload a brain MRI slice and get an instant AI classification — glioma, meningioma, pituitary or no tumor. Free, private, no account. Runs in your browser.
• DICOM viewerOpen and view DICOM (.dcm) medical images in your browser. Free, private, no account — your files never leave your device. Works with MRI, CT and more.
• NIfTI viewerView NIfTI (.nii, .nii.gz) neuroimaging and medical volumes online, free and private. Loads in your browser — no upload, no install, no account.
• MRI viewerView your MRI scan online for free. Open DICOM or NIfTI MRI images in the browser, scroll slices and rotate in 3D. Private — no upload, no account.
• CT viewerView CT scans online for free. Open DICOM or NIfTI CT volumes in your browser with bone, lung and soft-tissue windows. No upload, no install, no account.
• X-ray viewerView X-ray images online for free. Open a JPG, PNG or DICOM radiograph in your browser — private, no upload, no account. Optional plain-language AI report.
• DICOM to NIfTIConvert DICOM (.dcm) to NIfTI (.nii.gz) online, free and private. Runs in your browser with dcm2niix (WebAssembly) — no upload, and identity tags are stripped.
• DICOM to JPG/PNGConvert DICOM (.dcm) or NIfTI slices to JPG or PNG images online, free and private. Runs in your browser — nothing is uploaded, and identity tags are never shown.
• DICOM to PDFConvert a DICOM or NIfTI scan slice to a PDF online, free and private. Runs in your browser — nothing is uploaded. Great for sharing a slice with your doctor.
• DICOM anonymizerAnonymize DICOM (.dcm) files online, free and private. Removes patient name, ID, birth date and other identifiers in your browser — nothing is uploaded.
• PET viewerView PET and PET-CT scans in 2D and 3D in your browser. Free, private, no account — your DICOM or NIfTI files never leave your device.
• Ultrasound viewerView ultrasound (echo) DICOM images in your browser, free and private. No upload, no install, no account — open your .dcm ultrasound files locally.
• Mammography viewerView mammography (DICOM) images in your browser, free and private. Open your mammogram .dcm files locally — no upload, no install, no account.

Want a scan explained in plain language? Get your report explained free — or read our plain-language scan guides.