Convert OBJ to FITS

OBJ to FITS conversion without modeling software. reaConverter processes 3D files locally — no additional licenses required.

Need to convert OBJ to FITS? reaConverter handles batch conversion with ease, processing hundreds of files at once while preserving quality. Your files never leave your machine. No third-party servers, no privacy concerns. Handles 3D models independently with no CAD software required.

1. Download and Install reaConverter

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

Install reaConverter

2. Load your OBJ files

Launch reaConverter and load the OBJ files you want to convert. Add a few files or thousands, batch processing handles them all.

Drag-and-drop OBJs directly into reaConverter or use the folder browser to load entire directories.

3. Select FITS as output format

Set FITS as output format and select where to save your converted files. Customize quality settings if needed.

4. Start OBJ to FITS conversion

Press Convert to begin processing. You can watch the progress or minimize and let it run in the background.

Your converted FITS files will appear in the destination folder as soon as processing completes.

OBJ to FITS Converter

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

"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"

Richard E. Miller

Satisfied Customer

OBJ to FITS Conversion: FAQ

Can reaConverter convert OBJ to FITS?

Yes! reaConverter instantly converts .obj 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 OBJ to FITS online?

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

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

The best way to change OBJs 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 OBJ to FITS.

How can I automate OBJ 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 OBJ 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 obj to fits converter for batch processing.

What else can I do with reaConverter?

Convert GIS files Convert Gerber files Crop photos Copy metadata (EXIF, IPTC)Change file creation date