Convert IIQ to CG4

Batch convert IIQ RAW files to CG4 in one click. reaConverter handles entire photo libraries with consistent settings.

Got a folder full of IIQ files? reaConverter batch converts them to CG4 in minutes, not hours. Local processing means instant results, even with thousands of files. Photographers use it to batch process entire shoots in minutes.

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IIQ to CG4
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IIQCG4

How to Convert Multiple IIQ Images to CG4?

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. You can also resize, crop, and adjust images during conversion.

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Install reaConverter

2. Load your IIQ files

Open reaConverter and add your IIQ files. You can load individual files, entire folders, or even nested subfolders.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your IIQ files into reaConverter

3. Select CG4 as output format

Pick CG4 as output format and choose the destination folder where you want to save new .cg4 files.

Select CG4 as output format

4. Start IIQ to CG4 conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your CG4 output.

IIQ to CG4 Converter

reaConverter offers the fastest, simplest solution for converting your IIQ files into CG4 in seconds - all photos processed on your PC for maximum privacy and speed.

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Do more with your images

Converting IIQ images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

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User Reviews

Average User Rating:
Last updated on January 25, 2026
"reaConverter saved our team hundreds of hours by digitizing decades of CG4 archives in weeks—not months. Its resolution scaling preserved every detail, even in files older than some team members!"
Anna K.
Anna K.
Satisfied Customer
"Finally an app that actually opens my weird files! Saves me from format frustration daily."
Kyle Brooks
Kyle Brooks
Happy User
"This converter delivers exceptionally quick format conversions with reliable results every time."
Brian White
Brian White
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"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."
Marcus White
Marcus White
Healthcare IT
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
Robert Williams
Robert Williams
Happy User
"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Henry R.
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IIQ to CG4 Conversion: FAQ

What are IIQ files?

IIQ is a RAW image format associate with Phase One digital cameras. Phase One is a high-end brand headquartered in Denmark, mostly known among photography professionals and connoisseurs. An IIQ file represents a digital photo taken without any of the retouching and editing usually applied by default when shooting in other compressed formats, and needs to be processed with specialized image editing software before it can be visualized.

What are CG4 files?

CG4 is a raster format associated with CALS (Continuous Acquisition and Life-Cycle Support) — a program initiated by the US Department of Defense to capture and link military data. CG4 is compatible with a very limited number of digital graphics programs. Files with this extension contain a bitmap that often uses the CCITT4 compression, which is an old fax machine standard used for black-and-white images.

Can reaConverter convert IIQ to CG4?

Yes! reaConverter instantly converts .iiq to .cg4 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.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert IIQ to CG4 online?

If you only need to convert a few IIQ files to CG4 format, feel free to try our free online free online IIQ to CG4 converter — perfect for small batches with no installation needed!

How can I turn IIQ files into CG4 on my computer?

The best way to change IIQs to CG4s 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 IIQ to CG4.

How can I automate IIQ to CG4 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 IIQ files to CG4 using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line iiq to cg4 converter for batch processing.

What else can I do with reaConverter?

Convert vector filesConvert picture color spaceChange format settingsChange image DPIConvert DICOM files

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