Convert CDU to AVIF

Stop converting CDU files one by one. reaConverter processes entire folders to AVIF automatically — just drag, drop, and click Convert.

Online converters too slow for your CDU files? reaConverter works locally and handles unlimited batches. All processing runs locally on your PC, so your files stay private and secure.

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CDU to AVIF
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How to Convert Multiple CDU Files to AVIF?

1. Download and Install reaConverter

First, grab reaConverter from the download button below. Installation is fast, and the software runs offline — no account or signup needed.

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Install reaConverter

2. Load your CDU files

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

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

Load your CDU files into reaConverter

3. Select AVIF as output format

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

Select AVIF as output format

4. Start CDU to AVIF 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 AVIF files in the output folder. Click 'Show converted files' to open it directly.

CDU to AVIF Converter

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

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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
Image editing

User Reviews

Average User Rating:
Last updated on January 25, 2026
"Google Photos auto-saved my pics as AVIF files that won’t open anywhere. reaConverter rescued 3 years of memories AND kept the quality. Take that, ‘innovation’!"
Derek Snyder
Derek Snyder
Satisfied Customer
"Twitch thumbnails keep saving as AVIF and my editing software freaks out. reaConverter swaps them to JPEG instantly. Now I can actually post my ‘🔥HOT TAKES🔥’ without crying over file errors."
Amy Li
Amy Li
Content Creator
"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
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
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
Jason P. Bailey
Non-Profit Coordinator
"We deployed reaConverter across our department to standardize file formats for our archives. The command-line support and automation features integrated perfectly into our systems. Stellar performance and zero crashes—it just works."
David R.
David R.
IT Solutions Architect

CDU to AVIF Conversion: FAQ

What are CDU files?

The CDU extension is associated with images created or edited with CDU Paint, a software program used for handling bitmaps.

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 CDU to AVIF?

Yes! reaConverter instantly converts .cdu 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.

Can I convert CDU to AVIF online?

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

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

The best way to change CDUs 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 CDU to AVIF.

How can I automate CDU 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 CDU 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 cdu to avif converter for batch processing.

What else can I do with reaConverter?

Set manual file dateConvert RAW photosChange format settingsChange DPIConvert DICOM files

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