File Convert

Convert AC3 to AU

Free online AC3-to-AU converter — upload a AC3 file and download a AU. Fast, private, no signup.

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AC3 vs AU

AC3

Dolby Digital (AC-3) — DVD/broadcast surround audio.

About AC3 ↗

AU

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

About AU ↗

AC3 to AU: frequently asked questions

How do I convert AC3 to AU?

Drop your AC3 file into the converter above — we auto-detect the real format from its bytes, convert it, and give you a AU to download. No software to install.

Is the AC3 to AU converter free?

Yes. Convert AC3 to AU 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 AC3 and AU?

Dolby Digital (AC-3) — DVD/broadcast surround audio. Sun/NeXT AU — a simple, long-lived PCM audio container.

Related conversions

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

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

Browse all supported formats →