Convert GXT to FITS

Bulk GXT to FITS conversion with consistent results. Set it up once, process thousands of files with the same quality every time.

Looking to change GXT files to FITS format? reaConverter makes it simple — add your files, select output format, and convert entire folders in one click. Runs entirely on your hardware for maximum speed — no waiting for uploads or server queues.

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GXT to FITS
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GXTFITS

How to Convert Multiple GXT Files to FITS?

1. Download and Install reaConverter

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

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Install reaConverter

2. Load your GXT files

Start reaConverter and add your .gxt files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your GXT files into reaConverter

3. Select FITS as output format

Select FITS from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

Select FITS as output format

4. Start GXT to FITS conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your FITS output.

GXT to FITS Converter

reaConverter offers the fastest, simplest solution for converting your GXT 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 GXT 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 14, 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.
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
Joseph Wilson
Satisfied Customer
"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
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
Satisfied Customer

GXT to FITS Conversion: FAQ

What are GXT files?

GXT is a format associated with software developed by GeoConcept, a leading provider of cartographical information and optimization tools. GXTs are simple text files that can be viewed and edited with any regular text editor. Files with this extension contain feature descriptions, identified as "objects", and feature types – "type/subtype".

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 GXT to FITS?

Yes! reaConverter instantly converts .gxt 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 GXT to FITS online?

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

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

The best way to change GXTs 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 GXT to FITS.

How can I automate GXT 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 GXT 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 gxt to fits converter for batch processing.

What else can I do with reaConverter?

Convert vector imagesConvert picture color spaceCopy IPTC dataConvert CAD formatsSet image bit depth

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