How do I convert multiple GRO4 files to FITS?

The quick and simple way to handle your files is to get a quality piece of software, such as reaConverter. This software is extremely efficient in managing a wide range of batch conversions. As you will soon realize, reaConverter will help you avoid spending countless hours trying to figure out how to convert multiple GRO4 files as once.

At the same time, it will allow you to apply a wide range of image editing options during conversion.

Download and Install reaConverter

reaConverter is quick to download, install and launch, and you don't need to be an IT specialist in order to understand in a few minutes how it operates.

Install reaConverter

Load GRO4 Files

Start reaConverter and load all the .gro4 files you intend to convert into .fits because, as opposed to most free online converters, reaConverter supports batch conversion. So you can save the time and energy you would lose with doing repetitive operations.

Select GRO4s from a folder or by drag-and-dropping them directly into the reaConverter window.

Choose Output Folder

Go to the Saving options tab and decide where you want to save new .fits files. You can also spend a few more moments to apply additional editing to the images prepared for conversion.

Select FITS as Output Format

Then pick the FITS as output format. To help you do this, a series of buttons is conveniently placed at the bottom of the reaConverter window, so you can simply press on the one you need or click + Plus button to add new options.

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

Video tutorial

Online GRO4 to FITS converter

reaConverter is a great software for efficiently managing a large amount of files, on a frequent basis. However, if you are planning to convert only a few GRO4 files and only once in a while, then you can also try reaConverter Online.

Command-line interface

Advanced users can convert GRO4 to FITS via command-line interface in manual or automated mode. You are welcome to contact our technical support when you have any questions about reaConverter.