DM3 Viewer

View and analyze DigitalMicrograph DM3 files online with metadata extraction and image preview.

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About This Tool

The DM3 Viewer is a specialized online tool for scientists and researchers working with transmission electron microscopy (TEM) data. It allows you to upload DigitalMicrograph .dm3 files and instantly view key metadata such as acquisition parameters, instrument settings, and image dimensions. The tool provides a clean preview of the image data and extracts comprehensive technical information from the DM3 file format, which is commonly used in electron microscopy. No software installation is required - simply upload your file and get immediate access to all the embedded metadata.

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How to Use

Click the upload area or drag & drop your .dm3 file
Wait for the file to be processed (automatic)
View the image preview in the results section
Examine the detailed metadata including acquisition parameters
Use the download button to save metadata as JSON if needed

Frequently Asked Questions

Find Quick Answers

What is a DM3 file?

DM3 is the file format used by Gatan's DigitalMicrograph software for storing transmission electron microscopy (TEM) images and associated metadata.

What metadata can I see with this tool?

The tool extracts acquisition date, image dimensions, pixel size, magnification, voltage, exposure time, and various instrument parameters embedded in the DM3 file.

Is my data secure?

Yes, all processing happens securely on our servers and files are automatically deleted after processing. We don't store your scientific data.

Can I view very large DM3 files?

The tool supports files up to 100MB. For larger files, consider using desktop DigitalMicrograph software.

Does this tool work on mobile devices?

Yes, the DM3 Viewer is fully responsive and works on smartphones, tablets, and desktop computers.

Need to run multiple calculations?

Create a free account today to unlock unlimited daily runs, access advanced parameters, save your history, and request custom features.

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