Convert PNM to FITS

The quick and simple way to change your PNM into FITS files is to use a quality piece of software, such as reaConverter.

reaConverter is an advanced PNM to FITS conversion software. It also includes batch processing capabilities that allow you to automate repetitive tasks, enabling lightning-fast conversions of hundreds of files at once while preserving quality.

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. At the same time, it will allow you to apply image editing options during conversion.

Install reaConverter

2. Load your PNM files

Start reaConverter and load all the .pnm files you intend to convert into .fits. The software supports multiple PNM conversion and processes all files locally on your computer.

Select PNMs from a folder or by drag-and-dropping them directly into the reaConverter window.

3. Select FITS as output format

Pick the FITS as output format and choose the destination folder where you want to save new .fits files.

4. Start PNM to FITS conversion

Then simply press Convert button and your conversion will begin in no time!

Once the conversion is complete, you can find your FITS files in the destination folder you selected.

PNM to FITS Converter

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

Download Free Trial

Do more with your images

Converting PNM images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

Image editing tools

User Reviews

Average User Rating:
Last updated on May 23, 2025

"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

"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

"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"

Henry R.

Happy User

"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."

Paul Baker

Happy User

"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"

DeShawn M. Thompson

Happy User

PNM to FITS Conversion: FAQ

Can reaConverter convert PNM to FITS?

Yes! reaConverter instantly converts .pnm 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.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert PNM to FITS online?

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

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

The best way to change PNMs 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 PNM to FITS.

How can I automate PNM 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 PNM 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 pnm to fits converter for batch processing.

What else can I do with reaConverter?

Change format settings Change DPI Convert CAD formats Set bit depth Convert DICOM files