Convert CG4 to AVIF

With our fast and user-friendly CG4 to AVIF converter, you can steer clear of the tedious task of manually converting multiple .cg4 files into avif format for hours on end.

reaConverter is a standalone software program that allows you to convert multiple files from .cg4 file format to .avif format.

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CG4AVIF

How to Convert Multiple CG4 Images to AVIF?

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. At the same time, it will allow you to apply image editing options during conversion.

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Install reaConverter

2. Load your CG4 files

Start reaConverter and load all the .cg4 files you intend to convert into .avif. The software supports multiple CG4 conversion and processes all files locally on your computer.

Select CG4s from a folder or by drag-and-dropping them directly into the reaConverter window.

Load your CG4 files into reaConverter

3. Select AVIF as output format

Pick the AVIF as output format and choose the destination folder where you want to save new .avif files.

Select AVIF as output format

4. Start CG4 to AVIF conversion

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

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

CG4 to AVIF Converter

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

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Do more with your images

Converting CG4 images for use in a larger project? With reaConverter, you can convert, edit, and enhance your images in one streamlined process.

Our range of editing options includes such image processing actions as Resize, Rotate, Crop, Color Replace, Watermarks and more. Adjust actions include RGB, HLS, HSV, Brightness and Contrast. Auto-processing options are also available, such as auto-rotate and auto-crop.

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User Reviews

Average User Rating:
Last updated on May 24, 2025
"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.
Satisfied Customer
"An excellent program! I use it regularly in my work - it supports nearly every file format imaginable. The interface is intuitive and runs flawlessly every time."
⭐⭐⭐⭐⭐
Roger Cook
Happy User
"For agencies handling confidential data, reaConverter eliminates cloud-upload risks while delivering unmatched conversion reliability. Our team uses it both in-office and remotely with identical results."
⭐⭐⭐⭐⭐
Jamal Bailey
Satisfied Customer
"Our volunteer team uses reaConverter to prepare images for fundraising campaigns. The learning curve was minimal, and the results are professional-grade. The customer support team even helped us customize a workflow — fantastic service!"
⭐⭐⭐⭐⭐
Jason P. Bailey
Non-Profit Coordinator
"5/5⭐ Finally! Does what it promises - converts AND tweaks images without complicated menus. Perfect for quick jobs."
⭐⭐⭐⭐⭐
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
Satisfied Customer

CG4 to AVIF Conversion: FAQ

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.

What are AVIF files?

AVIF is a new image format launched at the end of 2020. AV1 Image File Format was developed by the Alliance for Open Media in collaboration with Netflix, Google and Cisco. This format was created to be an open-sourced and royalty-free image format with a super-compression efficiency. Multiple graphics compression tests show that the .avif format outperforms the JPEG, PNG and WebP image formats for its image quality to compressed file size ratio.

Can reaConverter convert CG4 to AVIF?

Yes! reaConverter instantly converts .cg4 to .avif 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.

What is reaConverter used for?

reaConverter is a software program used for converting images and other types of files from one format to another. It supports a wide range of file formats and allows users to convert multiple files at once, making it a valuable tool for graphic designers, photographers, and other professionals who work with digital images. reaConverter also includes features for resizing, cropping, and editing images, along with batch processing capabilities that help automate repetitive tasks.

Can I convert CG4 to AVIF online?

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

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

The best way to change CG4s to AVIFs 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 CG4 to AVIF.

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

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

What else can I do with reaConverter?

Change file creation dateCopy metadata (EXIF, IPTC)Convert Gerber filesCrop imagesConvert GIS files

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