Convert HDR to FITS

The quick and simple way to convert HDR to FITS files is to use a quality batch conversion software, such as reaConverter.

reaConverter offers batch processing and offline support for converting HDR files to FITS with precision, saving you time on large projects. With customizable quality settings, resolution adjustments, and support for bulk conversions, it ensures fast, high-quality results.

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 HDR files

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

Select HDRs 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 HDR 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.

HDR to FITS Converter

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

Download Free Trial

Do more with your images

Converting HDR 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 May 24, 2025

"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

"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

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

Logan B.

Satisfied Customer

"I use the online converter — it’s quick and hassle-free!"

Jian Wong

Happy Online User

"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"

Helen Evans

Satisfied Customer

"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."

David R.

IT Solutions Architect

HDR to FITS Conversion: FAQ

Can reaConverter convert HDR to FITS?

Yes! reaConverter instantly converts .hdr 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 HDR to FITS online?

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

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

The best way to change HDRs 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 HDR to FITS.

How can I automate HDR 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 HDR 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 hdr to fits converter for batch processing.

What else can I do with reaConverter?

Convert DICOM images Resize picture Convert RAW formats Convert CAD formats Change image bit depth