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Audio Conversion

Convert MP3 to AU Online — Free

Fast, free MP3 to AU converter. No registration required.

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2M+ filer konverterade

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Integritet forst

Filer raderas automatiskt efter bearbetning

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Hur man konverterar

1

Upload your .mp3 file by dragging it into the upload area or clicking to browse.

2

Choose your output settings. The default settings work great for most files.

3

Click Convert and download your .au file when it's ready.

Vad ar MP3?

MP3 is the most popular audio format worldwide. It uses lossy compression to reduce file size while maintaining acceptable audio quality for most listeners.

Formatdetaljer

Fullstandigt namn
MPEG Audio Layer III
Filandelse
.mp3

Nyckelfunktioner

  • Universal compatibility
  • Small file sizes
  • Streaming support
  • ID3 tag support

Vad ar AU?

AU is an audio format created by Sun Microsystems. It's one of the oldest digital audio formats, commonly used on Unix and Java platforms.

Formatdetaljer

Fullstandigt namn
Sun Microsystems Audio
Filandelse
.au

Nyckelfunktioner

  • Unix standard
  • Java audio
  • Simple format
  • Legacy support

MP3 vs AU

FunktionMP3AU
Fullstandigt namnMPEG Audio Layer IIISun Microsystems Audio
Filandelse.mp3.au
Bast forUniversal compatibilityUnix standard

Vanliga fragor

Converting between lossless formats preserves perfect quality. When converting to lossy formats, our optimized encoding minimizes any audible difference. You can adjust bitrate to control quality vs. file size.
We preserve ID3 tags, album art, and metadata when both MP3 and AU support them. Some metadata may not transfer between incompatible formats.
Pro users can batch convert multiple audio files simultaneously. Free users convert one file at a time with up to 5 free conversions per day.
We support all standard sample rates from 8kHz (voice) up to 192kHz (studio quality). The default preserves your source file's sample rate.
Yes. Our audio converter handles music, podcasts, voice memos, and audiobook files. For podcasts, we recommend MP3 at 128-192kbps for the best balance of quality and file size.

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