Convert RAST to PGM

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

reaConverter transforms RAST files to PGM quickly and reliably. Drag in folders, set your options, click Convert, done. No cloud accounts, no file uploads, no complicated setup. Just install and start converting.

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RAST to PGM
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How to Convert Multiple RAST Files to PGM?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

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Install reaConverter

2. Load your RAST files

Load your RAST files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.

Select RASTs from a folder or drag-and-drop them directly into the reaConverter window.

Load your RAST files into reaConverter

3. Select PGM as output format

Choose PGM for output and set your save location. reaConverter lets you customize quality and apply edits before conversion.

Select PGM as output format

4. Start RAST to PGM conversion

Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

Start Conversion

After processing, find all your new .pgm files in the output location. The log shows details for each conversion.

RAST to PGM Converter

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

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Do more with your files

Converting RAST 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 25, 2026
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
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"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
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"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
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"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
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"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
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"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Helen Evans
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RAST to PGM Conversion: FAQ

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.

What are PGM files?

The PGM or Portable Graymap format is part of a package of open source graphics programs called Netpbm. Other Netpbm formats include PPM (Portable Pixmap) and PBM (Portable Bitmap), also known under the collective name of PNM (Portable Anymap). A PGM file includes a grayscale image, can work on a UNIX platform, as well as on Windows or Mac OS X, and can render a scope of up to 255 grayscale colors.

Can reaConverter convert RAST to PGM?

Yes! reaConverter instantly converts .rast to .pgm 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 RAST to PGM online?

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

How can I turn RAST files into PGM on my computer?

The best way to change RASTs to PGMs 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 RAST to PGM.

How can I automate RAST to PGM 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 RAST files to PGM using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line rast to pgm converter for batch processing.

What else can I do with reaConverter?

Copy IPTC dataConvert DICOM filesImage resizerConvert GIS filesConvert PDF files

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