Convert GMT to CGM

Stop converting GMT files one by one. reaConverter processes entire folders to CGM automatically — just drag, drop, and click Convert.

Batch GMT to CGM conversion doesn't have to be complicated. reaConverter processes entire folders with consistent quality settings. Works offline with no internet required — convert anywhere, anytime.

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GMT to CGM
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GMTCGM

How to Convert Multiple GMT 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.

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Install reaConverter

2. Load your GMT files

Load your GMT files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.

Select GMTs from a folder or drag-and-drop them directly into the reaConverter window.

Load your GMT files into reaConverter

3. Select CGM as output format

Choose CGM for output and set your save location. reaConverter lets you customize quality and apply edits before conversion.

Select CGM as output format

4. Start GMT to CGM conversion

Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

Start Conversion

After processing, find all your new .cgm files in the output location. The log shows details for each conversion.

GMT to CGM Converter

reaConverter offers the fastest, simplest solution for converting your GMT 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 GMT 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 14, 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
"Your solution was buried deeper in search results than it should be. After struggling with unclear alternatives, I found your guides — finally, instructions that made sense for a first-time user like me. Excellent work!"
Richard E. Miller
Richard E. Miller
Satisfied Customer
"Converts files in seconds! Finally a tool that's both fast and simple to use."
Wei Chen
Wei Chen
Happy User
"I'd been searching for reliable conversion software forever — reaConverter has everything I need! After installing and watching the tutorial, I had my files converted to the perfect format in minutes. Flawless experience!"
Sanjay Mehta
Sanjay Mehta
Satisfied Customer
"The step-by-step video makes conversion foolproof. I'd recommend this to my grandma - it's that well-explained!"
DeShawn M. Thompson
DeShawn M. Thompson
Happy User

GMT to CGM Conversion: FAQ

What are GMT files?

The GMT format is associated with Generic Mapping Tools, an open software package consisting of tools for handling geographical and Cartesian data, designed for use via command-line. The most recent version of the GMT format was optimized to support more geometry types and attributes. Such files can be used for producing complex PostScript illustrations of detailed maps, with a wide range of applications in geospatial science, as well as biology, physics, medical research 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 GMT to CGM?

Yes! reaConverter instantly converts .gmt 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 GMT to CGM online?

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

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

The best way to change GMTs 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 GMT to CGM.

How can I automate GMT 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 GMT 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 gmt to cgm converter for batch processing.

What else can I do with reaConverter?

Convert Gerber imagesCrop imagesConvert CAD formatsChange bit depthConvert DICOM images

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