Convert FMF to FITS

Convert FMF to FITS without quality loss. reaConverter gives you full control over resolution, compression, and output settings.

Manual FMF to FITS conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks.

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

Install reaConverter

2. Load your FMF files

Open reaConverter and add your FMF files. You can load individual files, entire folders, or even nested subfolders.

Drop your FMF files into the window or use File menu to browse and select folders.

3. Select FITS as output format

Choose FITS as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

4. Start FMF to FITS conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

After conversion, find your FITS files in the output folder. Click 'Show converted files' to open it directly.

FMF to FITS Converter

reaConverter offers the fastest, simplest solution for converting your FMF 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 FMF 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

"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."

J. Mitchell

Satisfied Customer

"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."

Malik T. Martin

Satisfied Customer

"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"

Sarah Lane

Satisfied Customer

"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"

Robert Williams

Happy User

FMF to FITS Conversion: FAQ

Can reaConverter convert FMF to FITS?

Yes! reaConverter instantly converts .fmf 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 FMF to FITS online?

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

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

The best way to change FMFs 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 FMF to FITS.

How can I automate FMF 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 FMF 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 fmf to fits converter for batch processing.

What else can I do with reaConverter?

Copy metadata (EXIF, IPTC)Change format settings Change DPI Convert vector files Change color space