CGM Converter

Our fast and easy CGM file converter will help you avoid spending countless hours trying to figure out how to convert multiple .cgm files at once.

CGMConverter

How to Convert .cgm Files in Bulk

1. Install reaConverter

Download reliable CGM conversion software to convert multiple .cgm files and folders in one go.

2. Select CGM Files

Select CGMs from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load CGM files

3. Start Conversion

Click Convert to start the bulk conversion of all selected CGM files. The process will begin right away.
reaConverter - Start CGM conversion

Convert CGM on your PC

For quick and effortless CGM file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

Do more with your files

Converting CGM files for use in a larger project? 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.

Image editing

User Reviews

Average User Rating:
Last updated on April 30, 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."
David McCullough
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David McCullough
Satisfied Customer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
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Logan B.
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."
Charles Long
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Charles Long
Aerospace Documentation Specialist
"I firmly believe working with JPEG — the universal format supported by all devices and apps—is the wisest choice. reaConverter handles these conversions flawlessly."
Ava Thomas
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Ava Thomas
Happy User
"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."
David R.
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David R.
IT Solutions Architect
"This program is incredibly simple and user-friendly, even beginners can use it with ease. It supports batch processing, works offline, and runs smoothly on my aging Acer Aspire laptop. Best of all, the output quality is outstanding!"
Kevin Harris
⭐⭐⭐⭐⭐
Kevin Harris
Happy User

CGM files: Frequently Asked Questions

Can reaConverter open CGM files?

reaConverter fully supports the CGM file format – open, edit, and export CGM files to any other popular file format with ease.

How do I change CGM to another format?

reaConverter is a user-friendly tool for converting CGM files. Once installed on your computer, it allows you to convert all your .cgm files at once with just a few clicks. You can even convert cgm images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert CGM online?

If you only want to convert a few CGM files, you are welcome to try our free online CGM converter.

How can I turn CGM files on my computer to another format?

The best way to convert CGM files on your PC is to get 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 CGM.

How can I automate CGM files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert CGM files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line cgm converter.

What else can I do with reaConverter?

Convert GIS filesConvert DICOM filesResize picturesCopy metadata (EXIF, IPTC)Change format settings

What formats can I convert a CGM file to?
What types of files can I convert to CGM format?

Discover more

Explore our efficient CGM file converter that saves you time and effort by converting multiple .cgm files into different formats.
reaConverter software