C4 Converter

Save yourself from the hassle of spending countless hours trying to figure out how to convert multiple C4 file into other formats with our fast and easy C4 file converter.

How to Convert .c4 Files in Bulk

1. Install reaConverter

Download reliable C4 conversion software to convert multiple .c4 files and folders in one go.

2. Select C4 Files

Select C4s from a folder or drag and drop them into reaConverter, then choose the desired output format.
reaConverter - Load C4 files

3. Start Conversion

Click Convert to start the bulk conversion of all selected C4 files. The process will begin right away.
reaConverter - Start C4 conversion

Convert C4 on your PC

For quick and effortless C4 file handling on your PC, reaConverter offers powerful conversion tools with batch processing. Best of all, it works entirely offline — ensuring your sensitive data never leaves your computer.

Do more with your files

Converting C4 files for use in a larger project? 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.

User Reviews

Average User Rating:
Last updated on February 26, 2025
"We receive artwork in all kinds of formats from clients. reaConverter takes care of converting them all to print-ready specs automatically using Watch Folders. It reduces errors, saves us time, and has improved our turnaround time with customers. Incredibly powerful software."
Michael D.
Print Shop Owner
"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
Satisfied Customer
"An efficient all-in-one solution for image conversion and light editing, designed for maximum user-friendliness."
Elena Anderson
Happy User
"Working in a print studio means constantly juggling obscure file formats. I used to waste hours Googling converters or installing random software — until reaConverter became my Swiss Army knife. Install it once, and you're set forever. No internet? No problem!"
Helen Evans
Satisfied Customer
"An ultra-fast solution for minimizing file sizes. The entire conversion process takes just 3 minutes!"
Logan B.
Satisfied Customer
"I use the online converter — it’s quick and hassle-free!"
Jian Wong
Happy Online User

C4 files: Frequently Asked Questions

Can reaConverter open C4 files?

reaConverter fully supports the C4 file format – open, edit, and export C4 files to any other popular file format with ease.

How do I change C4 to another format?

reaConverter is a user-friendly tool for converting C4 files. Once installed on your computer, it allows you to convert all your .c4 files at once with just a few clicks. You can even convert c4 images directly from Windows Explorer using the right-click menu — fast and convenient.

Can I convert C4 online?

If you only want to convert a few C4 files, you are welcome to try our free online C4 converter.

How can I turn C4 files on my computer to another format?

The best way to convert C4 files on your PC is to get 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 C4.

How can I automate C4 files conversion?

reaConverter supports all the essential automation features, such as right-click сonversion and Watch Folders, for the most efficient automated file conversion in any software of its kind.

Can I convert C4 files using scripts or the command-line interface?

reaConverter provides full access to all its features from the Windows command-line shell, including the command-line c4 converter.

What else can I do with reaConverter?

Convert CAD formatsSet picture bit depthConvert vector imagesChange image color spaceConvert Gerber images

What formats can I convert a C4 file to?

Discover more

Explore our efficient C4 file converter that saves you time and effort by converting multiple .c4 files into different formats.
reaConverter software