Convert DRL to CG4

Convert DRL to CG4 without quality loss. reaConverter gives you full control over resolution, compression, and output settings.

Manual DRL to CG4 conversion wastes hours. reaConverter automates the process — just add files and click Convert. Everything happens offline on your computer — no uploads, no cloud risks.

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DRL to CG4
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DRLCG4

How to Convert Multiple DRL Files to CG4?

1. Download and Install reaConverter

reaConverter installs quickly on any Windows PC. No dependencies, no bloatware — just a clean setup that's ready to use immediately.

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Install reaConverter

2. Load your DRL files

Open reaConverter and add your DRL files. You can load individual files, entire folders, or even nested subfolders.

Drop your DRL files into the window or use File menu to browse and select folders.

Load your DRL files into reaConverter

3. Select CG4 as output format

Choose CG4 as the target format. Pick a destination folder or let reaConverter save files alongside the originals.

Select CG4 as output format

4. Start DRL to CG4 conversion

Hit Convert and let reaConverter do the work. The progress window shows status for each file in real time.

Start Conversion

After conversion, find your CG4 files in the output folder. Click 'Show converted files' to open it directly.

DRL to CG4 Converter

reaConverter offers the fastest, simplest solution for converting your DRL 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 DRL 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
"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
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
J. Mitchell
J. Mitchell
Satisfied Customer
"reaConverter is pure gold! Rock-solid performance with zero crashes. No internet needed—perfect for travel or low-connectivity work. The ultimate offline alternative to sketchy web converters. Plus, the desktop version keeps sensitive files secure since nothing ever gets uploaded to the cloud."
Malik T. Martin
Malik T. Martin
Satisfied Customer
"I was skeptical at first, but reaConverter exceeded my expectations. The interface is intuitive, and the advanced settings let me tweak outputs perfectly. Plus, the customer support is fantastic!"
Sarah Lane
Sarah Lane
Satisfied Customer
"This software just works! My old laptop can’t handle Photoshop, but reaConverter flies through conversions without breaking a sweat. Wi-Fi gone? Still strong!"
Robert Williams
Robert Williams
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"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"
Henry R.
Henry R.
Happy User

DRL to CG4 Conversion: FAQ

What are DRL files?

The DRL image format is included in the Gerber group, which consists of over 20 standardized extensions used in the production of printed circuit boards (PCB). Similar formats in the group — such as GTS, GBS or GTO — contain descriptions of solder masks, silkscreens and various other layer data. DRL files cover drilling data and they are vectors used as input files by photoplotters which fabricate PCBs.

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 DRL to CG4?

Yes! reaConverter instantly converts .drl 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 DRL to CG4 online?

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

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

The best way to change DRLs 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 DRL to CG4.

How can I automate DRL 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 DRL 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 drl to cg4 converter for batch processing.

What else can I do with reaConverter?

Copy metadata (EXIF, IPTC)Change format settingsChange DPIConvert GIS filesConvert vector files

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