AU to AAC Converter
Easily convert files from one format to another, online.
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AU is an older Sun and Unix audio format used for system sounds, legacy recordings, and simple audio storage. Convert AU files online to MP3, WAV, FLAC, M4A, AAC, AIFF, and other modern audio formats for easier playback and preservation.
AAC is an efficient audio format used for music, podcasts, streaming, and mobile playback with strong sound quality at smaller file sizes. Convert AAC files online to MP3, WAV, FLAC, M4A, AIFF, WMA, and other audio formats for easier editing, sharing, and compatibility.