CDU Converter

Get reaConverter, our fast and easy CDU file converter software. It will help you to convert multiple .cdu files in one go.

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Convert CDU on your PC

For quick and effortless CDU 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.

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Do more with your files

Converting CDU 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.

Conversion features

User Reviews

Average User Rating:
Last updated on October 31, 2025

"reaConverter's automation tools have completely changed how I manage my projects. I often work with large batches of illustrations and used to spend hours converting and organizing them. Now, with Watch Folders, I just set the rules once and everything is handled automatically, exactly how I need it. This is pro-level automation made simple."

Chloe M.

Freelance Illustrator

"I'm really impressed with this software - it converts files between formats incredibly fast!"

Lin Zhang

Happy User

"Exactly what I needed! Simple, fast, and no bloat. I use reaConverter Lite to resize and convert batches of images for documents. The presets make it super easy, and everything works smoothly."

Mark Jones

Happy User

"This converter delivers exceptionally quick format conversions with reliable results every time."

Brian White

Happy User

"Converts files in seconds! Finally a tool that's both fast and simple to use."

Wei Chen

Happy User

"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

CDU files: Frequently Asked Questions

Can reaConverter open CDU files?

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

How do I change CDU to another format?

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

Can I convert CDU online?

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

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

The best way to convert CDU 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 CDU.

How can I automate CDU 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 CDU 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 cdu converter.

What else can I do with reaConverter?

Convert Gerber images Crop images Copy EXIF data Change file creation date Convert GIS files