AUDIO
AU→M4AConverter
Convert your AU files to M4A format instantly. Free, fast, and secure - your files never leave your browser.
↔ Convert M4A to AU insteadDrop file or click to browse
Max 100MB • Auto-deletes after 3 min
PNGJPGWebPGIFPDFDOCXMP4MP3ZIP+50 more
How to Convert AU to M4A
1
Upload Your File
Drag & drop your AU file or click to browse
2
Convert
Click convert and wait a few seconds
3
Download
Download your converted M4A file
About AU to M4A Conversion
What is AU?
AU (au) is a audio format commonly used for storing and sharing audio content.
What is M4A?
M4A (m4a) is a audio format known for its compatibility and quality.
Why Convert?
Converting AU to M4A can improve compatibility, reduce file size, or meet specific requirements.