Convert OIL to FITS

Fast OIL to FITS conversion for Windows. reaConverter supports 700+ formats with batch processing and built-in editing tools.

Batch OIL 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

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

Install reaConverter

2. Load your OIL files

Open reaConverter and import your .oil 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 OIL 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.

OIL to FITS Converter

reaConverter offers the fastest, simplest solution for converting your OIL 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 OIL 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 14, 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

"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."

Rebecca Turner

Marketing Agency CEO

"I was drowning in mismatched file formats until I found reaConverter. The one-click conversion and editing tools simplified everything, and the pricing is reasonable for small businesses. Now I spend less time troubleshooting and more time growing my brand!"

Emily K.

E-commerce Entrepreneur

"This program is incredibly simple and user-friendly, even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!"

Kevin Harris

Happy User

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

J. Mitchell

Satisfied Customer

OIL to FITS Conversion: FAQ

Can reaConverter convert OIL to FITS?

Yes! reaConverter instantly converts .oil 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 OIL to FITS online?

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

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

The best way to change OILs 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 OIL to FITS.

How can I automate OIL 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 OIL 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 oil to fits converter for batch processing.

What else can I do with reaConverter?

Convert PDF files Watermark photos Copy metadata (EXIF, IPTC)Set manual file date Change format settings