Convert PRJ to GBR

Batch convert PRJ to GBR for easy sharing. reaConverter exports 3D models offline with control over output settings.

Looking to change PRJ files to GBR 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. Manufacturing teams use it to share models across departments.

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PRJ to GBR
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PRJGBR

How to Convert Multiple PRJ Files to GBR?

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 PRJ files

Start reaConverter and add your .prj 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 PRJ files into reaConverter

3. Select GBR as output format

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

Select GBR as output format

4. Start PRJ to GBR 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 GBR output.

PRJ to GBR Converter

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

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Do more with your files

Converting PRJ 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
"Flawless Gerber Conversions – Saved Us Countless Hours! Processes 50+ GBR files at once (drills, copper layers, silkscreens), auto-renames outputs (e.g., ProjectX_top_copper.pdf)"
Arthur Hughes
Arthur Hughes
Satisfied Customer
"As a PCB engineer, I rely on reaConverter to batch convert GBR files to PDF and PNG for client reports. It preserves layer accuracy perfectly, and the command-line automation saves me hours per project. Finally, a tool that handles Gerber files without glitches!"
Michael Chen
Michael Chen
Senior PCB Designer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Helen Evans
Satisfied Customer
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User

PRJ to GBR Conversion: FAQ

What are PRJ files?

The PRJ extension is attached to project files created with 3D Studio, the predecessor of 3ds Max, created for operation on the DOS platform. PRJ is also known as a mesh file, containing graphical data related to geometry, texture, lighting and other relevant info associated to a 3D model.

What are GBR files?

GBR is part of the Gerber group of formats — a set of standardized extensions used in the printed circuit board (PCB) industry. Gerber files include 2-D representations of various PCB images, such as copper layers, solder mask etc. They can also describe the electrical connections on such boards, or drilling and milling info associated with them. Similar formats include GBS, CMP and SOL.

Can reaConverter convert PRJ to GBR?

Yes! reaConverter instantly converts .prj to .gbr 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 PRJ to GBR online?

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

How can I turn PRJ files into GBR on my computer?

The best way to change PRJs to GBRs 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 PRJ to GBR.

How can I automate PRJ to GBR 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 PRJ files to GBR using the command prompt?

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

What else can I do with reaConverter?

Convert DICOM filesResize pictureConvert GIS filesChange file creation dateConvert Gerber files

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