Free Online CT Viewer

View and analyze your CT scan report images with Medicai’s free online CT scan viewer. No software installation required—load your DICOM-compliant files on our CT scan report reader and review them with advanced CT image analysis tools.

Disclaimer

Disclaimer: This online DICOM web viewer is intended for research and educational purposes only. Our free DICOM viewer is not certified for primary diagnostic use in medical imaging.

How to Open DICOM Files (Free, No Download Needed)

DICOM (.dcm) files are the medical imaging format produced by CT, MRI, X-ray, ultrasound, and other imaging equipment. If you have received imaging on a CD, a USB drive, or as a download and cannot open it, you can open it directly in the viewer above. There is nothing to download and nothing to install, and it works on Windows, Mac, and Linux in any modern browser. Here is how.

Step 1: Locate your DICOM files.

DICOM files usually arrive on a CD, a USB drive, or as a ZIP download from a patient portal. On a disc or drive, the files are typically inside a folder named DICOM or IMAGES, and the individual files may have a .dcm extension or no extension at all. If you received a ZIP, unzip it first.

Step 2: Load your files into the viewer.

Click "Load Files" to select individual DICOM files, or click "Load Folder" to load an entire folder at once. Your files are processed in your browser and are not uploaded to a server, so your imaging stays on your device.

Step 3: View your imaging.

The DICOM image opens in the free online DICOM viewer. You can zoom, pan, adjust brightness and contrast (window and level), scroll through image slices, and measure. That is all it takes to open and view DICOM files, free and with no download.

Why Choose Medicai Online CT Scan Viewer
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Web-Based CT Scan Viewer

Open and view CT scans online directly in your browser—no software installation needed. Our free CT scan viewer makes access simple and fast.

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Compatible with DICOM CT Scan Files

Fully supports DICOM format CT scans from all imaging systems, ensuring smooth CT scan reading across devices.

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High-Resolution CT Image Analysis

Adjust contrast, brightness, and zoom to explore CT scan report images in axial, coronal, and sagittal views. Perfect for learning how to read a CT scan report or performing detailed CT analysis.

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Instant Access, No Signup Required

Upload your CT files and start CT scan viewing online in seconds. No delays, no complex steps—just instant results.

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Secure & Private CT Viewing

Your medical scans remain confidential—files are processed locally, never stored or shared. A safe solution for checking your CT scan reports online.

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No Account or Setup Needed

Skip registration. Simply load your scans and review CT scan results online without providing personal data.

The CT Viewer is part of Medicai's integrated medical imaging software solution

About Medicai's Solution

Efficient, lightweight, and scalable tools for healthcare. Seamlessly retrieve, view, store, and share medical imaging data with a robust multi-location, cloud PACS, zero-footprint DICOM viewer, AI support, and best-in-class sharing capabilities.

100+ worldwide customers already use Medicai solutions and millions consider the Medicai among the best DICOM viewer online.

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What our customers say our medical imaging offering

Laur Alexandru Iacob Clinic Manager at YTS Dental View Medical Imaging Center
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"I worked as a doctor for a long time and I was looking for a solution to create my own medical archive and to be able to access it from anywhere. As a business owner since we found Medicai it has been the best decision we could have made. With the help of their team, we were able to scale our business and offer our doctor network a product that they can use to create their own medical archive for themselves and their patients."

5 stars

How Medicai HELPS YTS-Dental View

90% less time

spent to access a patient’s studies from a previous examination

10 locations integrated

of YTS-Dental View clinic across Romania

TRUSTED BY

Microsoft PartnerMicrosoft PartnerBoehringer IngelheimJ MedicalIsaac Health
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About Medicai

Medicai is a cloud-native, enterprise-grade medical imaging solution for secure, compliant data management. It allows teams to access imaging data from anywhere via web or mobile apps, while real-time collaboration tools—such as multidisciplinary team (MDT) sessions, second-opinion reviews, and in-app messaging—streamline communication and accelerate clinical decision-making.

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