Convert STEP to CG4

STEP to CG4 conversion without modeling software. reaConverter processes 3D files locally — no additional licenses required.

Need to convert STEP to CG4? 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. No CAD software required — handles 3D models independently.

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STEP to CG4
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STEPCG4

How to Convert Multiple STEP Files to CG4?

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting STEP files in under two minutes.

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Install reaConverter

2. Load your STEP files

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

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

Load your STEP files into reaConverter

3. Select CG4 as output format

Set CG4 as output format and select where to save your converted files. Customize quality settings if needed.

Select CG4 as output format

4. Start STEP to CG4 conversion

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

Start Conversion

Your converted CG4 files will appear in the destination folder as soon as processing completes.

STEP to CG4 Converter

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

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Do more with your files

Converting STEP 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 15, 2026
"I needed to convert a batch of STEP files for a client presentation and ReaConverter made it simple. The interface is intuitive, letting me drag, drop, and choose my output format (I used STL) in seconds. The batch processing saved me hours of work. Highly recommended for its reliability and speed."
Alex J.
Alex J.
CAD Designer
"reaConverter made converting my STEP files to DXF a breeze! The batch processing feature saved me hours, handling hundreds of files flawlessly in minutes. Its offline mode ensured my CAD data stayed secure, and the intuitive interface was perfect for a non-techie like me. Highly recommend for anyone needing fast, reliable STEP file conversions!"
John S.
John S.
Satisfied Customer
"reaConverter has been a huge time-saver for our team. We regularly work with CAD models in STEP format, and converting them to images or other file types used to be a hassle. With reaConverter, the process is fast, accurate, and incredibly easy to set up. The batch conversion feature is especially useful when handling large projects. Highly recommended for anyone dealing with STEP files on a regular basis."
Mark T.
Mark T.
Engineer
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer

STEP to CG4 Conversion: FAQ

What are STEP files?

STEP file contains Standard for the Exchange of Product Data (ISO 10303). STEP format is a widely used by popular CAD software.

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 STEP to CG4?

Yes! reaConverter instantly converts .step 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.

Can I convert STEP to CG4 online?

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

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

The best way to change STEPs 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 STEP to CG4.

How can I automate STEP 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 STEP 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 step to cg4 converter for batch processing.

What else can I do with reaConverter?

Separate STEP PartsConvert GIS filesConvert Gerber imagesCrop photosCopy IPTC dataConvert vector images

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