Convert GUN to DCM

Convert GUN to DCM without quality loss. reaConverter gives you full control over resolution, compression, and output settings.

Looking to change GUN files to DCM format? reaConverter makes it simple — add your files, select output format, and convert entire folders in one click. Runs entirely on your hardware for maximum speed, so you never wait for uploads or server queues.

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

Install reaConverter

2. Load your GUN files

Start reaConverter and add your .gun files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

3. Select DCM as output format

Select DCM from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

4. Start GUN to DCM conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your DCM output.

GUN to DCM Converter

reaConverter offers the fastest, simplest solution for converting your GUN files into DCM in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting GUN files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features

User Reviews

Average User Rating:
Last updated on February 03, 2026

"Converting medical imaging files for patient records and consultations requires precision and reliability. reaConverter handles DICOM to JPEG conversion with perfect fidelity, including proper contrast maintenance and annotation preservation. The batch processing has reduced our administrative workload while maintaining strict compliance standards."

Dorothy Carter MD

Medical Practice

"Lifesaver for medical imaging workflows! reaConverter effortlessly transforms DICOM files into diagnostic-ready PNGs while preserving all patient metadata and windowing settings. Now our radiologists review scans 3x faster without losing critical DICOM tags!"

Dr. Michael J. Anderson

Satisfied Customer

"As a researcher dealing with thousands of DICOM images, reaConverter’s command-line support has automated our workflow. We now convert DCM to PNG in bulk with perfect consistency. The scripting API is incredibly powerful."

David Müller

Biomedical Engineer

"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."

Roger Cook

Happy User

"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."

Jamal Bailey

Satisfied Customer

"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"

Jason P. Bailey

Non-Profit Coordinator

GUN to DCM Conversion: FAQ

Can reaConverter convert GUN to DCM?

Yes! reaConverter instantly converts .gun to .dcm with perfect quality preservation. With its batch processing feature, you can convert multiple files at once in just a few clicks. You can even convert images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert GUN to DCM online?

If you only need to convert a few GUN files to DCM format, feel free to try our free online free online GUN to DCM converter — perfect for small batches with no installation needed!

How can I turn GUN files into DCM on my computer?

The best way to change GUNs to DCMs on your PC is to install a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch files conversions, including conversion from GUN to DCM.

How can I automate GUN to DCM files conversion?

reaConverter supports all the most useful automation features such as right-click сonversion and Watch Folders for the most efficient automated files conversion in any software of this type.

Is there a way to convert GUN files to DCM using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line gun to dcm converter for batch processing.

What else can I do with reaConverter?

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