SPU Converter

Fast SPU conversion for Windows. reaConverter processes large batches reliably without crashes or timeouts.

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reaConverter
Convert
SPU Files
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How to Convert .spu Files in Bulk

1. Install reaConverter

Download reliable SPU conversion software to convert multiple .spu files and folders in one go.
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Install reaConverter

2. Select SPU Files

Select SPUs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load SPU files

3. Start Conversion

Click Convert to start the bulk conversion of all selected SPU files. The process will begin right away.
reaConverter - Start SPU conversion

Convert SPU on your PC

For quick and effortless SPU file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

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Do more with your files

Converting SPU files for use in a larger project? 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 November 27, 2025
"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
"Before reaConverter, I was the ‘File Conversion Guy’ at work — a title I never asked for and definitely didn’t want. Then I found the Watch Folders feature, and suddenly I was free! Now, files convert themselves while I sip coffee and pretend I'm still working hard. My coworkers think I'm a wizard. Thanks reaConverter, for saving my sanity and boosting my fake productivity!"
Ben H.
Ben H.
Overwhelmed Office Hero
"I deal with hundreds of images daily, and reaConverter has been a lifesaver. The Watch Folders feature lets me automate file conversions without lifting a finger. I set up a folder for incoming files and it automatically resizes, renames, and converts them into the formats I need. It's like having a personal assistant!"
Sarah T.
Sarah T.
Graphic Designer
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
Ava Thomas
Happy User
"I'd been searching for reliable conversion software forever — reaConverter has everything I need! After installing and watching the tutorial, I had my files converted to the perfect format in minutes. Flawless experience!"
Sanjay Mehta
Sanjay Mehta
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
Mark T.
Mark T.
Satisfied Customer

SPU files: Frequently Asked Questions

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.

Can reaConverter open SPU files?

reaConverter fully supports the SPU file format – open, edit, and export SPU files to any other popular file format with ease.

How do I change SPU to another format?

reaConverter is a user-friendly tool for converting SPU files. Once installed on your computer, it allows you to convert all your .spu files at once with just a few clicks. You can even convert spu images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert SPU online?

If you only want to convert a few SPU files, you are welcome to try our free online SPU converter.

How can I turn SPU files on my computer to another format?

The best way to convert SPU files on your PC is to get 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.

How can I automate SPU files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert SPU files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line spu converter.

What else can I do with reaConverter?

Change format settingsChange DPIConvert vector filesChange color spaceConvert RAW photos

What formats can I convert a SPU file to?
ai  apng  avif  bmp  bpg  cal  cg4  cgm  cin  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  hpg  hru  ico  iff  iges  igs  jp2  jpeg  jpg  jxl  jxr  mif  mtv  pcl  pct  pcx  pdf  pgm  pic  plt  png  ppm  prc  ps  psd  qoi  qrt  rad  rla  sgi  shp  svg  svgz  tga  tif  tiff  webp  webpll  wmf  wmz  wpg  wrl  xbm  xpm 

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Explore our efficient SPU file converter that saves you time and effort by converting multiple .spu files into different formats.
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