Convert SPU to GBR

Convert SPU to GBR without uploading files anywhere. reaConverter works entirely on your PC — fast, private, and handles thousands of files at once.

Manual SPU to GBR conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks.

Download
reaConverter
Convert
SPU to GBR
Online
Convert

How to Convert Multiple SPU Files to GBR?

1. Download and Install reaConverter

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

reaConverter logo
Install reaConverter

2. Load your SPU files

Open reaConverter and add your SPU files. You can load individual files, entire folders, or even nested subfolders.

Drop your SPU files into the window or use File menu to browse and select folders.

Load your SPU files into reaConverter

3. Select GBR as output format

Choose GBR as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select GBR as output format

4. Start SPU to GBR conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your GBR files in the output folder. Click 'Show converted files' to open it directly.

SPU to GBR Converter

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

Download Free Trial

Do more with your files

Converting SPU 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 22, 2026
"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
"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
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User

SPU to GBR Conversion: FAQ

What are SPU files?

An SPU file contains an image created or edited using an image processor created for Atari computers. The program was called Spectrum and could support images storing up to 512 colors. The Atari brand was one of the first ones to gain an important share of the home users market, but its computers have now been discontinued for over 2 decades, so SPU files are uncommon and obsolete.

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 SPU to GBR?

Yes! reaConverter instantly converts .spu 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 SPU to GBR online?

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

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

The best way to change SPUs 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 SPU to GBR.

How can I automate SPU 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 SPU 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 spu to gbr converter for batch processing.

What else can I do with reaConverter?

Convert GIS filesConvert vector imagesConvert picture color spaceConvert DICOM imagesResize pictures

Find out more

Get advanced software for file conversion, processing, and editing, giving you complete, precise control over your work.
Download
reaConverter
Buy Now
reaConverter software