Convert BIG to CGM

Fast BIG to CGM conversion for Windows. reaConverter supports 700+ formats with batch processing and built-in editing tools.

Online converters too slow for your BIG files? reaConverter works locally and handles unlimited batches. All processing runs locally on your PC, so your files stay private and secure.

1. Download and Install reaConverter

reaConverter is a standalone Windows app — download, install, and start converting BIG files in under two minutes.

Install reaConverter

2. Load your BIG files

Add BIG files to reaConverter. One file or a thousand, the process is the same. Everything runs locally on your machine.

You can drag-and-drop files, browse to a folder, or add entire directory trees including subfolders.

3. Select CGM as output format

Select CGM from the output format list and set your destination folder. You can also adjust quality and compression settings.

4. Start BIG to CGM conversion

Click the Convert button to start. reaConverter will process all your files with the settings you selected.

When finished, your new .cgm files will be waiting in the destination folder.

BIG to CGM Converter

reaConverter offers the fastest, simplest solution for converting your BIG 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 BIG 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 January 25, 2026

"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

"Finally an app that actually opens my weird files! Saves me from format frustration daily."

Kyle Brooks

Happy User

"This converter delivers exceptionally quick format conversions with reliable results every time."

Brian White

Happy User

"Security was our top concern when evaluating file conversion tools. reaConverter’s offline mode and role-based access controls let us lock it down for sensitive environments. No unexpected network calls or bloat — just clean, fast conversions. Even passed our pen-testing scans without a hitch."

Marcus White

Healthcare IT

"Creating marketing materials for various platforms requires multiple file versions from single sources. reaConverter's workflow automation lets us generate PNG, JPEG, and SVG variants from AI and PSD files simultaneously. The color profile management ensures brand consistency across all outputs, and the processing speed allows for last-minute changes without delaying deadlines."

Rebecca Turner

Marketing Agency CEO

BIG to CGM Conversion: FAQ

Can reaConverter convert BIG to CGM?

Yes! reaConverter instantly converts .big 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 BIG to CGM online?

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

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

The best way to change BIGs 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 BIG to CGM.

How can I automate BIG 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 BIG 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 big to cgm converter for batch processing.

What else can I do with reaConverter?

Convert vector files Convert picture color space Convert PDF files Watermark photo Change format settings