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

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AAC to AU 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 aac files to au (audacity audio file) online & free

Drag & Drop or Choose a file

Chose AAC file

To
Drop file here. 150 MB maximum file size.

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

Convert to AU

What did you think of your recent AAC conversion? 4.9 (247 Votes)

Convert Other AAC File

How to Convert PDF to DOCX

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

What is AAC?

A compressed audio file similar to a .MP3 file, but offering several performance improvements; for example, higher encoding efficiency for transient and stationary signals, a simpler filter bank, and better frequency management at-above 16 kHz; maintains a quality that is almost identical to the original audio source.

Read everything about AAC file type.

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.

More Free Online AAC Tools

We have 100% free online AAC tools that does not required any registrations and installations on your system, here are few popular free AAC 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.

AAC Converter

Open AAC

Edit AAC

Compare AAC Files

Merge AAC Files

Split AAC Files

AAC Metadata Viewer

Frequently Asked Questions

❓ How can I convert AAC to AU?

Chose or drag & drop your AAC file, click Convert to AU, and download the AU 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 AAC to AU?

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

Convert from AAC

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

AAC to MP3 AAC to WAV AAC to M4A AAC to M4R AAC to WMA AAC to OGG AAC to AC3 AAC to FLAC AAC to AMR AAC to AIFF

Viw All AAC Converter

Other recommended free online aac to au 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	AAC to AU converter	Free	JeDok.com
1	AAC to AU converter	Free	Docpose.com

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

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