Convert EPI to CG4

Stop converting EPI files one by one. reaConverter processes entire folders to CG4 automatically — just drag, drop, and click Convert.

Looking to change EPI files to CG4 format? reaConverter makes it simple — add your files, select output format, and convert entire folders in one click. Runs entirely on your hardware for maximum speed — no waiting for uploads or server queues.

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EPI to CG4
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EPICG4

How to Convert Multiple EPI Files to CG4?

1. Download and Install reaConverter

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

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Install reaConverter

2. Load your EPI files

Start reaConverter and add your .epi files. The software processes everything locally, so your files never leave your computer.

Use drag-and-drop, folder browser, or right-click conversion from Explorer.

Load your EPI files into reaConverter

3. Select CG4 as output format

Select CG4 from 700+ supported output formats. Choose your destination folder and adjust settings to match your needs.

Select CG4 as output format

4. Start EPI to CG4 conversion

Click Convert to start the batch. reaConverter processes files quickly and shows you the status of each one.

Start Conversion

Once done, reaConverter shows a summary. Click 'Show converted files' to jump straight to your CG4 output.

EPI to CG4 Converter

reaConverter offers the fastest, simplest solution for converting your EPI files into CG4 in seconds - all files processed on your PC for maximum privacy and speed.

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Do more with your files

Converting EPI 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 20, 2026
"reaConverter saved our team hundreds of hours by digitizing decades of CG4 archives in weeks—not months. Its resolution scaling preserved every detail, even in files older than some team members!"
Anna K.
Anna K.
Satisfied Customer
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Elena Anderson
Happy User
"Enable shell integration for lightning-fast file conversions directly from Windows Explorer."
R. Lewis
R. Lewis
Happy User
"After 200+ conversions on my budget laptop (i3-1115G4/4GB RAM/Win11), reaConverter outperforms heavyweight tools. Zero crashes, low CPU usage during batch processing, and no internet dependency - exactly what professionals need."
Walter Morgan
Walter Morgan
Satisfied Customer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Jian Wong
Happy Online User

EPI to CG4 Conversion: FAQ

What are EPI files?

EPI (Encapsulated Interchange Script) is an interchange format associated with Adobe Illustrator and represents a vector file used by graphic designers to create and edit drawings. EPI files can contain maps, logos, page layouts or several other types of drawings including text and graphics. Due to their vector format, EPI files can be incompatible with most popular image viewers.

What are CG4 files?

CG4 is a raster format associated with CALS (Continuous Acquisition and Life-Cycle Support) — a program initiated by the US Department of Defense to capture and link military data. CG4 is compatible with a very limited number of digital graphics programs. Files with this extension contain a bitmap that often uses the CCITT4 compression, which is an old fax machine standard used for black-and-white images.

Can reaConverter convert EPI to CG4?

Yes! reaConverter instantly converts .epi to .cg4 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 EPI to CG4 online?

If you only need to convert a few EPI files to CG4 format, feel free to try our free online free online EPI to CG4 converter — perfect for small batches with no installation needed!

How can I turn EPI files into CG4 on my computer?

The best way to change EPIs to CG4s 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 EPI to CG4.

How can I automate EPI to CG4 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 EPI files to CG4 using the command prompt?

reaConverter provides full access to all its features via Windows command line, including a high-performance command-line epi to cg4 converter for batch processing.

What else can I do with reaConverter?

Convert GIS filesConvert DICOM filesResize picturesChange format settingsChange DPI

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