RAST Converter

Need to convert RAST files to other formats? reaConverter does it in batch. No file limits, no watermarks, no internet required.

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RAST Files
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How to Convert .rast Files in Bulk

1. Install reaConverter

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

2. Select RAST Files

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

3. Start Conversion

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

Convert RAST on your PC

For quick and effortless RAST 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 RAST 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 June 29, 2026
"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Henry R.
Happy User
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect
"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
"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
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User
"We receive artwork in all kinds of formats from clients. reaConverter takes care of converting them all to print-ready specs automatically using Watch Folders. It reduces errors, saves us time, and has improved our turnaround time with customers. Incredibly powerful software."
Michael D.
Michael D.
Print Shop Owner

RAST files: Frequently Asked Questions

What are RAST files?

RAST is a Sun Raster image format developed for Sun UNIX platforms. These types of operating systems were launched by Sun Microsystems for use on both workstations and server computer systems. As opposed to RAS, which is also a Sun Raster format, RAST images are less compatible with image viewers outside the Sun UNIX platforms. They support various types of image colour depths, from monochrome to 32-bit TrueColor and are mostly designed for UNIX users.

Can reaConverter open RAST files?

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

How do I change RAST to another format?

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

Can I convert RAST online?

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

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

The best way to convert RAST 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 RAST.

How can I automate RAST 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 RAST 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 rast converter.

What else can I do with reaConverter?

Convert GIS filesChange format settingsChange DPISet manual file dateConvert PDF files

What formats can I convert a RAST 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 RAST conversion

Convert .rast 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 · v8.0.241 · Files never leave your computer
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