RAST Converter

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

Download
reaConverter
Convert
RAST Files
Online

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.
reaConverter logo
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.

Download reaConverter

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 May 28, 2026
"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
"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"
Richard E. Miller
Richard E. Miller
Satisfied Customer
"Exactly what I needed! Simple, fast, and no bloat. I use reaConverter Lite to resize and convert batches of images for documents. The presets make it super easy, and everything works smoothly."
Mark Jones
Mark Jones
Happy User
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
Roger Cook
Roger Cook
Happy User
"We use reaConverter in our department to handle image and document conversions for multiple teams. The Watch Folders function is brilliant — I configured different folders for different workflows, and now everything happens automatically in the background. No more manual conversions or missed files. Rock-solid performance!"
James L.
James L.
IT Manager
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
Happy User

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  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.
Download
reaConverter
Buy Now
reaConverter software