Convert R3D to FITS

For a hassle-free and effective conversion of your R3D files to FITS format, it is recommended to utilize a trusted software tool like reaConverter.

reaConverter is a fast offline R3D to FITS converter. Whether you need to convert hundreds or thousands of R3D files, reaConverter can handle it all.

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.

Install reaConverter

2. Load your R3D files

Start reaConverter and load all the .r3d files you intend to convert into .fits. The software supports multiple R3D conversion and processes all files locally on your computer.

Select R3Ds from a folder or by drag-and-dropping them directly into the reaConverter window.

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.

4. Start R3D to FITS conversion

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

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

R3D to FITS offline

reaConverter offers the fastest, simplest solution for converting your R3D 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 R3D 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 April 23, 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

"Finally an app that actually opens my weird files! Saves me from format frustration daily."

Kyle Brooks

Happy User

"This converter delivers exceptionally quick format conversions with reliable results every time."

Brian White

Happy User

"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."

Marcus White

Healthcare IT

"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"

Logan B.

Satisfied Customer

R3D to FITS Conversion: FAQ

Can reaConverter convert R3D to FITS?

Yes! reaConverter instantly converts .r3d 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 R3D to FITS online?

If you only need to convert a few R3D files to FITS format, feel free to try our free online free online R3D to FITS converter — perfect for small batches with no installation needed!

How can I turn R3D files into FITS on my computer?

The best way to change R3Ds 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 R3D to FITS.

How can I automate R3D 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 R3D 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 r3d to fits converter for batch processing.

What else can I do with reaConverter?

Convert vector files Convert picture color space Convert DICOM files Resize photo Change file date