Convert ECC to FITS

Why upload sensitive ECC files to online converters? reaConverter processes everything locally — convert to FITS with zero cloud risk.

Batch ECC to FITS conversion doesn't have to be complicated. reaConverter processes entire folders with consistent quality settings. Works offline with no internet required — convert anywhere, anytime.

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting ECC files in under two minutes.

Install reaConverter

2. Load your ECC files

Open reaConverter and import your .ecc files. No file limits, no slowdowns. Add as many as you need.

Drag files into the window, use the Add Files button, or select entire folders.

3. Select FITS as output format

Select FITS as target format and pick where to save results. You can keep default settings or fine-tune the output.

4. Start ECC to FITS conversion

Hit Convert to process your files. The log window shows progress, timing, and status for every file.

Conversion complete? Your FITS files are saved to the destination folder, ready to use.

ECC to FITS Converter

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

Download Free Trial

Do more with your files

Converting ECC files for use in a workflow? reaConverter offers many ways to process files, so you can customize them according to your requirements.

Our range of editing options includes auto-processing options such as auto-rotate, auto-crop, watermarking and more. Change Color Space, copy Metadata, set DPI, manage ICC Profile, control Bit Depth.

Conversion features

User Reviews

Average User Rating:
Last updated on January 20, 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

"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."

Elena Anderson

Happy User

"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."

R. Lewis

Happy User

"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."

Walter Morgan

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

ECC to FITS Conversion: FAQ

Can reaConverter convert ECC to FITS?

Yes! reaConverter instantly converts .ecc 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.

Can I convert ECC to FITS online?

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

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

The best way to change ECCs 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 ECC to FITS.

How can I automate ECC 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 ECC 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 ecc to fits converter for batch processing.

What else can I do with reaConverter?

Convert GIS files Convert RAW photos Convert PDF files Add watermark on photo Change format settings