Convert GBL to PCT

GBL to PCT converter that respects your privacy. No cloud uploads, no file size limits — just fast offline batch processing.

Got a folder full of GBL files? reaConverter batch converts them to PCT in minutes, not hours. Local processing means instant results, even with thousands of files.

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GBLPCT

How to Convert Multiple GBL Files to PCT?

1. Download and Install reaConverter

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

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Install reaConverter

2. Load your GBL files

Add your GBL files to reaConverter. Whether it's a handful or an entire archive, the batch engine processes them efficiently.

Browse for files, drag them in, or add entire folders at once. reaConverter queues everything automatically.

Load your GBL files into reaConverter

3. Select PCT as output format

Pick PCT as the output format. Set the destination folder and optionally configure resolution, quality, or file naming.

Select PCT as output format

4. Start GBL to PCT conversion

Start the conversion with one click. reaConverter handles everything and notifies you when it's done.

Start Conversion

When the batch finishes, your PCT files are ready in the destination folder you chose earlier.

GBL to PCT Converter

reaConverter offers the fastest, simplest solution for converting your GBL files into PCT 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
"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
"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
Roger Cook
Happy User
"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
Jamal Bailey
Jamal Bailey
Satisfied Customer

GBL to PCT 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 PCT files?

PCT is an image file format associated with Macintosh QuickDraw, a graphics program developed in the 1980s as part of the Apple Macintosh operating system. The initial version of the format, called PICT 1, could store 8 colors, while the later developed PICT 2 supported 24 and 32-bit color images. In recent years, the format has decreased in popularity, being gradually replaced by more versatile formats.

Can reaConverter convert GBL to PCT?

Yes! reaConverter instantly converts .gbl to .pct 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 PCT online?

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

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

The best way to change GBLs to PCTs 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 PCT.

How can I automate GBL to PCT 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 PCT using the command prompt?

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

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceChange file dateChange format settingsChange image DPI

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