Convert GML to CGM

Need to convert hundreds of GML files to CGM? reaConverter does it in one click. No file limits, no watermarks, no internet required.

Got a folder full of GML files? reaConverter batch converts them to CGM in minutes, not hours. Local processing means instant results, even with thousands of files.

Download
reaConverter
Convert
GML to CGM
Online
GMLCGM

How to Convert Multiple GML Files to CGM?

1. Download and Install reaConverter

Download reaConverter and install it in seconds. The setup is straightforward — no complex configuration, no extra software required.

reaConverter logo
Install reaConverter

2. Load your GML files

Add your GML files to reaConverter. Whether it's a handful or an entire archive, the batch engine processes them efficiently.

Browse for files, drag them in, or add entire folders at once. reaConverter queues everything automatically.

Load your GML files into reaConverter

3. Select CGM as output format

Pick CGM as the output format. Set the destination folder and optionally configure resolution, quality, or file naming.

Select CGM as output format

4. Start GML to CGM conversion

Start the conversion with one click. reaConverter handles everything and notifies you when it's done.

Start Conversion

When the batch finishes, your CGM files are ready in the destination folder you chose earlier.

GML to CGM Converter

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

Download Free Trial

Do more with your files

Converting GML 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 25, 2026
"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
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."
Charles Long
Charles Long
Aerospace Documentation Specialist
"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.
David R.
IT Solutions Architect
"So simple! I just needed to convert a couple of files to another format, and for such a straightforward task, the online converter worked perfectly — delivering the files I needed in no time. Excellent service!"
Kenneth D. Carter
Kenneth D. Carter
Satisfied Customer
"I run a small design agency, and reaConverter has saved me countless hours. The batch processing is lightning-fast, and the ability to convert hundreds of files into different formats at once is a game-changer. Highly recommend!"
Mark T.
Mark T.
Satisfied Customer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer

GML to CGM Conversion: FAQ

What are GML files?

The GML format supports the rendering of geographical data using the Geography Markup Language – a variant of the XML language as defined by the Open Geospatial Consortium (OGC). GML files contain not only geographical information, described as vector objects, but also coverages and sensor data, as well as info connected to topology, coordinate reference system, time, directions etc.

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 GML to CGM?

Yes! reaConverter instantly converts .gml 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 GML to CGM online?

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

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

The best way to change GMLs 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 GML to CGM.

How can I automate GML 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 GML 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 gml to cgm converter for batch processing.

What else can I do with reaConverter?

Convert RAW filesConvert DICOM imagesResize imagesChange file creation dateConvert GIS files

Find out more

Get advanced software for file conversion, processing, and editing, giving you complete, precise control over your work.
Download
reaConverter
Buy Now
reaConverter software