Convert ST4 to CGM

The quick and simple way to convert ST4 to CGM files is to use a quality batch conversion software, such as reaConverter.

reaConverter - the leading solution for bulk ST4 to CGM conversion. Process thousands of files in seconds with perfect quality.

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How to Convert Multiple ST4 Files to CGM?

1. Download and Install reaConverter

reaConverter is quick to download, install and launch. This standalone software is extremely efficient in managing a wide range of batch conversions. reaConverter is incredibly powerful and boasts an extensive variety of features.

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Install reaConverter

2. Load your ST4 files

Start reaConverter and load all the .st4 files you intend to convert into .cgm. The software supports multiple ST4 conversion and processes all files locally on your computer.

Select ST4s from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your ST4 files into reaConverter

3. Select CGM as output format

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

Select CGM as output format

4. Start ST4 to CGM conversion

Then simply press Convert button and your conversion will begin in no time!

Screenshot

Once the conversion is complete, you can find your CGM files in the destination folder you selected.

ST4 to CGM Converter

reaConverter offers the fastest, simplest solution for converting your ST4 files into CGM in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting ST4 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 May 24, 2025
"We faced a massive challenge: digitizing 20 years of CGM archives into PNG format. Initial estimates projected months of work, but reaConverter's powerful batch processing and resolution scaling let us complete the project in weeks. Most impressively, it handled even our pre-1994 vector files flawlessly—zero errors, perfect fidelity."
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David McCullough
Satisfied Customer
"Converting CGM files to SVG for our digital manuals used to be a nightmare until we found reaConverter. It preserves precise scaling and metadata flawlessly, making our workflow 3x faster with zero quality loss."
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Charles Long
Aerospace Documentation Specialist
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
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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."
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Malik T. Martin
Satisfied Customer
"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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Sarah Lane
Satisfied Customer
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
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David R.
IT Solutions Architect

ST4 to CGM Conversion: FAQ

What are ST4 files?

An ST4 file represents a RAW image taken with an SBIG CCD camera. SBIG is a producer of astronomical instruments and ST4s most likely contain images related to some type of scientific or industrial application. They are considered rare and are probably difficult to open using regular image viewers.

What are CGM files?

CGM (Computer Graphics Metafile) is a format that contains vector graphics information (clip art, drawings) associated with graphics design or CAD programs. As opposed to other types of metafiles, such as EMF or WMF, CGM files are not only supported by Windows, but can be used on different platforms too. They are encoded using binary, character-based of clear-text encoding.

Can reaConverter convert ST4 to CGM?

Yes! reaConverter instantly converts .st4 to .cgm 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 ST4 to CGM online?

If you only need to convert a few ST4 files to CGM format, feel free to try our free online free online ST4 to CGM converter — perfect for small batches with no installation needed!

How can I turn ST4 files into CGM on my computer?

The best way to change ST4s to CGMs 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 ST4 to CGM.

How can I automate ST4 to CGM 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 ST4 files to CGM using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line st4 to cgm converter for batch processing.

What else can I do with reaConverter?

Copy EXIF dataConvert RAW formatsConvert GIS filesConvert CAD formatsSet picture bit depth

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