Convert NRW to FITS

Fast NRW to FITS conversion for RAW photos. reaConverter processes camera files offline with professional output settings.

reaConverter transforms NRW files to FITS quickly and reliably. Drag in folders, set your options, click Convert, done. No cloud accounts, no file uploads, no complicated setup. Just install and start converting. Preserves RAW quality with options for color space and compression settings.

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. Apply image edits like resize, crop, or color adjustment while converting.

Install reaConverter

2. Load your NRW files

Open reaConverter and add your NRW files. You can load individual files, entire folders, or even nested subfolders.

Select NRWs from a folder or drag-and-drop them directly into the reaConverter window.

3. Select FITS as output format

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

4. Start NRW to FITS conversion

Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

After processing, find all your new .fits files in the output location. The log shows details for each conversion.

NRW to FITS Converter

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

Download Free Trial

Do more with your images

Converting NRW 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 tools

User Reviews

Average User Rating:
Last updated on January 19, 2026

"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

"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!"

Richard E. Miller

Satisfied Customer

"Converts files in seconds! Finally a tool that's both fast and simple to use."

Wei Chen

Happy User

"I'd been searching for reliable conversion software forever — reaConverter has everything I need! After installing and watching the tutorial, I had my files converted to the perfect format in minutes. Flawless experience!"

Sanjay Mehta

Satisfied Customer

"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

NRW to FITS Conversion: FAQ

Can reaConverter convert NRW to FITS?

Yes! reaConverter instantly converts .nrw 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 NRW to FITS online?

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

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

The best way to change NRWs 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 NRW to FITS.

How can I automate NRW 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 NRW 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 nrw to fits converter for batch processing.

What else can I do with reaConverter?

Convert Gerber files Crop images Change file creation date Convert vector files Convert RGB to CMYK