# View your MRI scans online, in your browser

> View your MRI scan online, in your browser. Open the disc, folder or ZIP from the hospital, scroll every series, see three planes and 3D. Free, nothing uploaded.

Open the MRI disc, folder or ZIP the hospital gave you and look through every series — scroll, adjust brightness and contrast, measure, see three planes and 3D. Free, no account, nothing uploaded.

Open your scans here: https://mesdicom.com/mri-viewer/ — or at https://mesdicom.com/

You can view your MRI online without installing anything: open the disc, folder or ZIP from the hospital with the buttons above, and MesDICOM shows every series in your browser. Your scans aren't uploaded — they're opened and processed on your computer.

## Why does my MRI have so many series?

An MRI study is several scans in one visit. Each **series** is one sequence — T1, T2, FLAIR, diffusion and so on — often taken in more than one direction, and sometimes again after a contrast injection. Each looks different because each shows tissue differently. That is normal: a head MRI often has ten series or more.

MesDICOM lists them in a rail beside the image. Pick a series, then scroll through its images.

## What can I do with my MRI images?

| Tool | What it does |
|---|---|
| Scroll | Moves through the images of a series, with the mouse wheel or the image slider |
| Brightness and contrast | Drag on the image; MR presets for brain T1 and T2, plus full range |
| Zoom, pan, rotate, flip | Look closer or turn the image; double-click to reset |
| Length and angle | Measure on the image, in millimetres when the file carries its pixel spacing |
| Cine | Plays a series as a movie, 5 to 60 frames a second |
| Three planes | Axial, coronal and sagittal views of one series, linked by a crosshair |
| 3D | Five renderings of a volume series, which you can turn and zoom |
| DICOM Info | Patient, study and series details, and every DICOM tag, searchable |

## How do I see my MRI in three planes?

Open a series and switch to **MPR**. MesDICOM builds a volume from the series and shows the axial, coronal and sagittal planes side by side, linked by a crosshair: click in one plane and the others follow. Open any plane full size, measure in it, or change the window for all three.

Three planes and 3D need a series of parallel slices. The clearest results come from thin-slice series; a series taken as a few thick slices still opens in 2D.

## Will it open my MRI disc?

Yes, if the disc holds DICOM images, which hospital discs do. Choose the whole disc — not DICOMDIR or the program on it. Step by step: [opening a CT or MRI disc](https://mesdicom.com/open-dicom-cd/).

## Which browsers work?

Recent Chrome, Edge, Firefox and Safari on Windows, Mac, Linux and ChromeOS. 3D needs WebGL 2, which most computers have. On a phone, MesDICOM opens DICOM files and ZIP archives.

MesDICOM is for viewing and reference only — not intended for diagnosis or treatment decisions.

## Questions

### Is it free to view my MRI here?

Yes. MesDICOM on the web is free, with no account.

### Can MesDICOM tell me what my MRI shows?

No. MesDICOM shows the images; it doesn't interpret them. The radiologist's report and your doctor explain the findings.

### Why do my MRI images look blurry in the other planes?

A series scanned as thick slices in one direction has little detail between them, so the other two planes look stretched. Series with thin slices give the clearest planes and 3D.

### Can I save an image to send to someone?

Yes. **Share Image** saves the image on screen as a PNG at its own size, with the brightness and contrast you set. No patient name or date travels with it.

## Related guides

- [CT scan viewer](https://mesdicom.com/ct-scan-viewer/index.html.md): Open your CT scan in your browser: lung, bone and soft-tissue windows, three planes, 3D and measurements. From a disc, folder or ZIP. Free, nothing uploaded.
- [Open a CT or MRI disc](https://mesdicom.com/open-dicom-cd/index.html.md): Got your scan on a CD or DVD from the hospital? Open the DICOM images in your browser on Windows or Mac. No viewer program, no upload, free.
- [DICOM viewer for Mac](https://mesdicom.com/dicom-viewer-mac/index.html.md): Open DICOM files, discs and ZIPs on a Mac in Safari, Chrome or Firefox — nothing to install. Plus the MesDICOM Mac app, and how it compares with Horos.

Updated October 24, 2026. For viewing and reference only — not intended for diagnosis or treatment decisions.