AU Converter

Convert audio files to AU format online for free. Fast, secure, and completely private.

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About AU

AU

Sun Microsystems Audio

AU is a simple audio format originally developed by Sun Microsystems for Unix systems. It supports both compressed and uncompressed audio.

Extension
.au
Developed By
Sun Microsystems
Released
1980s
Compression
Uncompressed

Typical Use Cases

Unix/Linux systemsLegacy applicationsSimple audio storage

Pros

  • • Simple format
  • • Unix native
  • • Lightweight

Cons

  • • Outdated
  • • Limited features
  • • Poor cross-platform support

Convert from AU

AU → MP3AU → M4AAU → WAVAU → OGGAU → FLACAU → AACAU → M4RAU → AIFFAU → OPUSAU → AIFAU → AC3AU → AMRAU → CAFAU → M4BAU → OGAAU → VOCAU → WEBA

Convert to AU

MP3 → AUM4A → AUWAV → AUOGG → AUFLAC → AUAAC → AUM4R → AUAIFF → AUOPUS → AUAIF → AUAC3 → AUAMR → AUCAF → AUM4B → AUOGA → AUVOC → AUWEBA → AU