Convert GBL to FITS

GBL to FITS conversion that keeps your files private. reaConverter runs offline on your computer with full batch processing support.

Tired of converting GBL files one at a time? reaConverter processes entire folders to FITS automatically. Handles large batches reliably without crashes or timeouts.

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GBL to FITS
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GBLFITS

How to Convert Multiple GBL Files to FITS?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

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Install reaConverter

2. Load your GBL files

Add GBL files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.

You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

Load your GBL files into reaConverter

3. Select FITS as output format

Select FITS from the output format list and set your destination folder. You can also adjust quality and compression settings.

Select FITS as output format

4. Start GBL to FITS conversion

Click the Convert button to start. reaConverter will process all your files with the settings you selected.

Start Conversion

When finished, your new .fits files will be waiting in the destination folder.

GBL to FITS Converter

reaConverter offers the fastest, simplest solution for converting your GBL 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 GBL 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 25, 2026
"I build custom guitar pedals and needed to view Gerber files on my Mac. reaConverter converted my GBR to JPG in two clicks—no complicated settings. Even handles RS-274X perfectly!"
Jake Wilson
Jake Wilson
DIY Electronics Enthusiast
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
Satisfied Customer
"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."
Malik T. Martin
Malik T. Martin
Satisfied Customer
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
Satisfied Customer
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer

GBL to FITS Conversion: FAQ

What are GBL files?

A GBL file contains the descriptions of the bottom copper layer of a printed circuit board (PCB) and generally functions as an input file for a photoplotter used in the fabrication of such boards. The GBL format is part of the Gerber group, which includes over 20 extensions that function as standards in the PCB industry. Similar formats include GTS, GTL and GBS.

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 GBL to FITS?

Yes! reaConverter instantly converts .gbl 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 GBL to FITS online?

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

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

The best way to change GBLs 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 GBL to FITS.

How can I automate GBL 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 GBL 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 gbl to fits converter for batch processing.

What else can I do with reaConverter?

Copy IPTC dataConvert RAW photo formatsConvert vector imagesConvert picture color spaceConvert GIS files

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