Convert MRW to FITS

The quick and simple way to convert your MRW into FITS files is to use a quality piece of software, such as reaConverter.

reaConverter is offline conversion software that supports multiple file formats, including MRW to FITS conversion, along with image editing capabilities.

MRWFITS

How to Convert Multiple MRW Images to FITS?

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. At the same time, it will allow you to apply image editing options during conversion.

2. Load your MRW files

Start reaConverter and load all the .mrw files you intend to convert into .fits. The software supports multiple MRW conversion and processes all files locally on your computer.

Select MRWs from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your MRW files into reaConverter

3. Select FITS as output format

Pick the FITS as output format and choose the destination folder where you want to save new .fits files.

Select FITS as output format

4. Start MRW to FITS conversion

Then simply press Convert button and your conversion will begin in no time!

Screenshot

Once the conversion is complete, you can find your FITS files in the destination folder you selected.

MRW to FITS Converter

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

Do more with your images

Converting MRW images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

Image editing

User Reviews

Average User Rating:
Last updated on May 24, 2025
"Essential for our astroimaging pipeline! reaConverter perfectly handles FITS files from our research telescope, preserving all WCS coordinates and photometric data during batch conversion to TIFF. Now we process 100+ deep-sky exposures nightly without losing critical metadata for our exoplanet studies!"
⭐⭐⭐⭐⭐
Joseph Wilson
Satisfied Customer
"reaConverter makes FITS conversion incredibly easy. We batch convert astronomical images to standard formats for presentations and analysis, all automated through the command-line. It’s fast, reliable, and handles large datasets without issues."
⭐⭐⭐⭐⭐
Laura N.
Astrophysics Research Assistant
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
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J. Mitchell
Satisfied Customer
"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."
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Malik T. Martin
Satisfied Customer
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
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Sarah Lane
Satisfied Customer
"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"
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Richard E. Miller
Satisfied Customer

MRW to FITS Conversion: FAQ

Can reaConverter convert MRW to FITS?

Yes! reaConverter instantly converts .mrw to .fits 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.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert MRW to FITS online?

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

How can I turn MRW files into FITS on my computer?

The best way to change MRWs to FITSs 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 MRW to FITS.

How can I automate MRW to FITS 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 MRW files to FITS using the command prompt?

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

What else can I do with reaConverter?

Copy metadata (EXIF, IPTC)Convert Gerber filesCrop imagesChange file creation dateConvert DICOM files

Find out more

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