Convert IIMG to PGM

IIMG to PGM converter that respects your privacy. No cloud uploads, no file size limits — just fast offline batch processing.

Got a folder full of IIMG files? reaConverter batch converts them to PGM in minutes, not hours. Local processing means instant results, even with thousands of files.

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How to Convert Multiple IIMG 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 IIMG files

Add your IIMG files to reaConverter. Whether it's a handful or an entire archive, the batch engine processes them efficiently.

Browse for files, drag them in, or add entire folders at once. reaConverter queues everything automatically.

Load your IIMG files into reaConverter

3. Select PGM as output format

Pick PGM as the output format. Set the destination folder and optionally configure resolution, quality, or file naming.

Select PGM as output format

4. Start IIMG to PGM conversion

Start the conversion with one click. reaConverter handles everything and notifies you when it's done.

Start Conversion

When the batch finishes, your PGM files are ready in the destination folder you chose earlier.

IIMG to PGM Converter

reaConverter offers the fastest, simplest solution for converting your IIMG 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 IIMG 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.

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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."
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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."
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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!"
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"Converts files in seconds! Finally a tool that's both fast and simple to use."
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"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!"
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IIMG to PGM Conversion: FAQ

What are IIMG files?

IIMG is a type of file also known as an "Interleaf image". Such files most likely contain images that were created and/or edited using software programs created by Interleaf, an American IT developer which produced graphics editing tools for the publishing industry throughout the 1980s and 1990s. The brand was acquired by Broadvision in 2000. The IIMG format is currently considered rare and obsolete.

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 IIMG to PGM?

Yes! reaConverter instantly converts .iimg 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 IIMG to PGM online?

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

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

The best way to change IIMGs 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 IIMG to PGM.

How can I automate IIMG 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 IIMG 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 iimg to pgm converter for batch processing.

What else can I do with reaConverter?

Copy EXIF dataConvert Gerber imagesCrop imagesConvert RAW filesConvert DICOM images

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