Yes, we automatically delete files after 24 hours and use encrypted file transfers.

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AU to AC3 Converter

Q: Will my formatting be preserved?

Yes, the layout, fonts, and images are preserved as much as possible in the converted DOCX.

Convert your au files to ac3 (audio codec 3 file) online & free

Drag & Drop or Choose a file

Chose AU file

To
Drop file here. 150 MB maximum file size.

No sign-up required. Your files are deleted automatically after 24 hours.

Convert to AC3

What did you think of your recent AU conversion? 5 (70 Votes)

Convert Other AU File

How to Convert PDF to DOCX

Click the "Choose AU File" button and select your AU.
Click “Convert to AC3”.
Wait a few seconds while we convert your file.
Download the resulting AC3 file instantly.

What is AU?

Audio file created by Audacity, a free audio editor, uses a proprietary format that can only be opened by Audacity; saved as l' one of the multiple audio data files for an Audacity (.AUD) project.

Read everything about AU file type.

What is AC3?

Audio file recorded in audio format AC-3 (Dolby Digital); can include up to six audio channels (DD 5.1 surround sound with subwoofer output); uses loss compression and is often used as format for DVDs, cinemas, and game consoles.

Read everything about AC3 file type.

More Free Online AU Tools

We have 100% free online AU tools that does not required any registrations and installations on your system, here are few popular free AU tools to View, Convert, Edit, Merge, Split, Compare and manage file metadata online from any device with a modern browser like Chrome, Opera and Firefox.

AU Converter

Open AU

Edit AU

Compare AU Files

Merge AU Files

Split AU Files

AU Metadata Viewer

Frequently Asked Questions

❓ How can I convert AU to AC3?

Chose or drag & drop your AU file, click Convert to AC3, and download the AC3 file. No registration needed.

🔐 Are my files secure?

Yes, all uploads are encrypted. Your files are auto-deleted after 24 hours.

📝 Will my formatting be preserved?

Yes, our converter retains layout, fonts, and images as accurately as possible.

⏱️ How long does it take to convert AU to AC3?

Fileproinfo converter engine works fast. You can convert AU to AC3 in a few seconds to couple of minutes for large size files with complex structure.

Convert from AU

FileProInfo support manay file formats that allow you to convert AU to 100s of file formats, without any limit, registration and downloading, 100% free and online AU converter.

AU to MP3 AU to WAV AU to OGG AU to WMA AU to FLAC AU to M4A AU to SND AU to VOX AU to VOC AU to RA

Viw All AU Converter

Other recommended free online au to ac3 file converter

All converters in this list are manually verified & 100% free and working properly, however you must use these apps according to their respective terms & conditions.

#	Tools	License	Developer
1	AU to AC3 converter	Free	JeDok.com
1	AU to AC3 converter	Free	Docpose.com

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This tool and page updated at: 12-Apr-2025

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