SPU Converter

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

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reaConverter
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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 May 31, 2026
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
Jason P. Bailey
Jason P. Bailey
Non-Profit Coordinator
"My photography business relies on fast, accurate processing of images. With reaConverter’s Watch Folder, I drop my RAW photos into a folder and they’re instantly converted to high-res JPEGs with custom naming and watermarking. It’s streamlined my post-processing more than I imagined possible."
Emily R.
Emily R.
Photographer
"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."
Rebecca Turner
Rebecca Turner
Marketing Agency CEO
"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."
Paul Baker
Paul Baker
Happy User
"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

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  cit  dcm  dcx  dds  dgn  dis  drw  dwf  dwg  dxf  emf  epi  eps  fax  fits  flif  gbr  gif  glb  gltf  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  step  stl  stp  svg  svgz  tga  tif  tiff  u3d  webp  webpll  wmf  wmz  wpg  wrl  x3d  xbm  xpm 

Beyond SPU conversion

Convert .spu files in batches of any size, with editing and processing applied along the way. The same tool also handles 700+ other formats, including CAD, medical imaging, and GIS.
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Free trial · Windows 10/11 · 64-bit · v8.0.240 · Files never leave your computer
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