Convert ICB to PGM

Fast ICB to PGM conversion for Windows. reaConverter supports 700+ formats with batch processing and built-in editing tools.

Need to convert ICB to PGM? reaConverter handles batch conversion with ease, processing hundreds of files at once while preserving quality. Your files never leave your machine. No third-party servers, no privacy concerns.

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ICB to PGM
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How to Convert Multiple ICB Files to PGM?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

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Install reaConverter

2. Load your ICB files

Launch reaConverter and load the ICB files you want to convert. Add a few files or thousands, batch processing handles them all.

Drag-and-drop ICBs directly into reaConverter or use the folder browser to load entire directories.

Load your ICB files into reaConverter

3. Select PGM as output format

Set PGM as output format and select where to save your converted files. Customize quality settings if needed.

Select PGM as output format

4. Start ICB to PGM conversion

Press Convert to begin processing. You can watch the progress or minimize and let it run in the background.

Start Conversion

Your converted PGM files will appear in the destination folder as soon as processing completes.

ICB to PGM Converter

reaConverter offers the fastest, simplest solution for converting your ICB 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 ICB 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 19, 2026
"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."
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"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
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"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!"
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"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
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"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."
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ICB to PGM Conversion: FAQ

What are ICB files?

ICB (Image Capture Board) is a bitmap format associated with TARGA (Truevision Advanced Raster Graphics Adapter) boards. It represents a predecessor of the TGA file format and may contain still images or images created with one of the software programs typically used on TARGA boards, including Targa-Paint or ICB-Paint. The ICB format is currently considered archaic and is compatible with a limited number of advanced graphics programs.

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 ICB to PGM?

Yes! reaConverter instantly converts .icb 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 ICB to PGM online?

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

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

The best way to change ICBs 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 ICB to PGM.

How can I automate ICB 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 ICB 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 icb to pgm converter for batch processing.

What else can I do with reaConverter?

Set manual file dateChange format settingsChange DPIConvert GIS filesConvert vector files

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