Convert CDU to FAX

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

Batch CDU to FAX conversion doesn't have to be complicated. reaConverter processes entire folders with consistent quality settings. Works offline with no internet required — convert anywhere, anytime.

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.

Install reaConverter

2. Load your CDU files

Load your CDU files into reaConverter. You can add individual files or point to folders, and the software will queue everything automatically.

Select CDUs from a folder or drag-and-drop them directly into the reaConverter window.

3. Select FAX as output format

Choose FAX for output and set your save location. reaConverter lets you customize quality and apply edits before conversion.

4. Start CDU to FAX conversion

Press the Convert button and reaConverter takes care of the rest. Processing time depends on file size and volume.

After processing, find all your new .fax files in the output location. The log shows details for each conversion.

CDU to FAX Converter

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

Download Free Trial

Do more with your files

Converting CDU 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

"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

Happy User

"Rare software that actually does it all! Converts anything, beautiful interface, and never lets me down. A must-have!"

Henry R.

Happy User

"For cross-platform compatibility, JPEG remains the gold standard. reaConverter’s precision conversions ensure perfect results every time, whether for presentations, websites, or client deliverables."

Paul Baker

Happy User

"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

"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

CDU to FAX Conversion: FAQ

Can reaConverter convert CDU to FAX?

Yes! reaConverter instantly converts .cdu to .fax 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 CDU to FAX online?

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

How can I turn CDU files into FAX on my computer?

The best way to change CDUs to FAXs 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 CDU to FAX.

How can I automate CDU to FAX 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 CDU files to FAX using the command prompt?

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

What else can I do with reaConverter?

Change format settings Change DPI Convert DICOM files Change photo size Convert RAW photos