Convert OFF to FITS

Convert OFF 3D models to FITS without expensive CAD software. reaConverter handles batch conversion offline with consistent output.

Manual OFF 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. Manufacturing teams use it to share models across departments.

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OFF to FITS
Online
OFFFITS

How to Convert Multiple OFF Files to FITS?

1. Download and Install reaConverter

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

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Install reaConverter

2. Load your OFF files

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

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

Load your OFF files into reaConverter

3. Select FITS as output format

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

Select FITS as output format

4. Start OFF to FITS conversion

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

Start Conversion

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

OFF to FITS Converter

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

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Do more with your files

Converting OFF 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
Image editing

User Reviews

Average User Rating:
Last updated on January 25, 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
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.
Laura N.
Astrophysics Research Assistant
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
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
Marcus White
Healthcare IT
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User

OFF to FITS Conversion: FAQ

What are OFF files?

OFF (Object File Format) is a 3D model format that contains data related to the polygons of a 3D object, including the number of vertices, faces and edges, list of vertices etc. As a geometry definition type of file, OFF can be compatible with various types of software specialized in the rendering and modeling of 3D objects.

What are FITS files?

The FITS (Flexible Image Transport System) format is a standard format used particularly for storing, transferring and processing scientific images from fields such as astronomy. FITS was first launched as an open standard in the early 1980s and has gone through several subsequent upgrades. FITS files contain not just images, but also data related to photometry and spatial calibration, and information about the origin of the image. Similar formats include FIT and FTS.

Can reaConverter convert OFF to FITS?

Yes! reaConverter instantly converts .off 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 OFF to FITS online?

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

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

The best way to change OFFs 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 OFF to FITS.

How can I automate OFF 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 OFF 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 off to fits converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceConvert GIS filesCopy IPTC dataChange format settings

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