File Convert

Convert AU to AIFF

Free online AU-to-AIFF converter — upload a AU file and download a AIFF. Fast, private, no signup.

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AU vs AIFF

AU

Sun/NeXT AU — a simple, long-lived PCM audio container.

About AU

AIFF

Apple/SGI uncompressed audio interchange.

About AIFF

AU to AIFF: frequently asked questions

How do I convert AU to AIFF?

Drop your AU file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a AIFF to download. No software to install.

Is the AU to AIFF converter free?

Yes. Convert AU to AIFF for free right in your browser, with no account needed to get started.

Is it safe and private?

Your file is transferred over an encrypted connection and anonymous uploads are temporary. You can also view and strip metadata (location, device, author) before you download.

What's the difference between AU and AIFF?

Sun/NeXT AU — a simple, long-lived PCM audio container. Apple/SGI uncompressed audio interchange.

Related conversions

Convert AU to: MP3 · WAV · FLAC · M4A · AAC · AC3 · CAF · DTS · M4B · M4R

Convert to AIFF from: AAC · AC3 · AMR · APE · CAF · DFF · DSF · DTS · FLAC · M4A

Browse all supported formats →