Convert FIT to FITS

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

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

FITFITS

How to Convert Multiple FIT 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 FIT files

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

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

Load your FIT 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 FIT 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.

FIT to FITS offline

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

Do more with your images

Converting FIT 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 24, 2025
"reaConverter perfectly processes FIT files from our observatory telescopes into TIFFs while preserving all celestial metadata and sensor calibration data. Finally, we can batch-convert night-sky captures without losing a single photon of data fidelity!"
Prof. William S. Davis
Satisfied Customer
"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
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Happy Online User

FIT to FITS Conversion: FAQ

Can reaConverter convert FIT to FITS?

Yes! reaConverter instantly converts .fit 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 FIT to FITS online?

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

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

The best way to change FITs 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 FIT to FITS.

How can I automate FIT 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 FIT 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 fit to fits converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceConvert DICOM filesResize photoChange file date

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