Convert FITS to PNG

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

FITS to PNG conversion is faster with the right tool. reaConverter handles everything from a few files to thousands in one batch. Processes files consistently every time, with full control over quality and output settings.

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. Apply image edits like resize, crop, or color adjustment while converting.

Install reaConverter

2. Load your FITS files

Launch reaConverter and drop in your FITS files. The software queues everything for batch processing with consistent settings.

Add files by dragging them in, browsing folders, or using the right-click menu from Windows Explorer.

3. Select PNG as output format

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

4. Start FITS to PNG conversion

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

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

FITS to PNG Converter

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

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Do more with your images

Converting FITS 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 January 25, 2026

"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

"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

"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

"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."

Roger Cook

Happy User

FITS to PNG Conversion: FAQ

Can reaConverter convert FITS to PNG?

Yes! reaConverter instantly converts .fits to .png 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 FITS to PNG online?

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

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

The best way to change FITSs to PNGs 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 FITS to PNG.

How can I automate FITS to PNG 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 FITS files to PNG using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line fits to png converter for batch processing.

What else can I do with reaConverter?

Convert PDF Watermark photos Change file date Convert GIS files Convert vector images