Convert FITS to CAL

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

reaConverter offers offline file conversion between numerous formats, including FITS to CAL, plus additional image editing tools for enhanced file preparation.

FITSCAL

How to Convert Multiple FITS Images to CAL?

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 FITS files

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

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

Load your FITS files into reaConverter

3. Select CAL as output format

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

Select CAL as output format

4. Start FITS to CAL conversion

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

Screenshot

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

FITS to CAL offline

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

Do more with your images

Converting FITS 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 April 23, 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
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
Happy User
"I'm really impressed with this software - it converts files between formats incredibly fast!"
Lin Zhang
Happy User
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Happy User
"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

FITS to CAL Conversion: FAQ

Can reaConverter convert FITS to CAL?

Yes! reaConverter instantly converts .fits to .cal 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 FITS to CAL online?

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

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

The best way to change FITSs to CALs 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 FITS to CAL.

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

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

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert RAW formatsConvert GIS filesConvert DICOM images

Find out more

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