Convert ESM to CGM

With our fast and user-friendly ESM to CGM converter, you can steer clear of the tedious task of manually converting multiple .esm files into cgm format for hours on end.

reaConverter is a fast offline ESM to CGM converter. Whether you need to convert hundreds or thousands of ESM files, reaConverter can handle it all.

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.

Install reaConverter

2. Load your ESM files

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

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

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.

4. Start ESM to CGM conversion

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

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

ESM to CGM Converter

reaConverter offers the fastest, simplest solution for converting your ESM 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 ESM 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

User Reviews

Average User Rating:
Last updated on May 24, 2025

"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

Aerospace Documentation Specialist

"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

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."

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

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.

Satisfied Customer

"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."

J. Mitchell

Satisfied Customer

ESM to CGM Conversion: FAQ

Can reaConverter convert ESM to CGM?

Yes! reaConverter instantly converts .esm 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 ESM to CGM online?

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

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

The best way to change ESMs 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 ESM to CGM.

How can I automate ESM 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 ESM 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 esm to cgm converter for batch processing.

What else can I do with reaConverter?

Convert RAW photos Copy metadata (EXIF, IPTC)Convert DICOM files Resize images Change format settings