AC3 to CAF - Online Audio Converter

Convert AC3 to CAF online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert AC3 to CAF

[+] Drop AC3 audio here or click to select AC3

Output format

CAF (PCM 16-bit)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About AC3 to CAF

Convert AC3 to CAF. AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. CAF is Apple's 64-bit container for large recordings beyond WAV limits. Few Windows tools open it; convert WAV for sharing..

Why convert AC3 to CAF?

Larger files than lossy shares with CAF uncompressed quality.
Keep quality where supported.
Private, no upload - runs in your browser.

AC3 vs CAF

Codec	AC-3	PCM 16-bit
Compression	lossy	uncompressed
Sample behavior	Quality set by bitrate	Full quality kept
Typical use	AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts.	CAF is Apple's 64-bit container for large recordings beyond WAV limits.

When not to convert AC3 to CAF

Skip CAF for the smallest share: lossless output stays large, so prefer a lossy target when sending AC3 files.
Keep a master copy: repeated exports stack small losses, so archive AC3 before batch CAF shares.

Limits

Starting point: AC3 - AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. Downmix choices change loudness; check levels after conversion. Few Windows tools open it; convert WAV for sharing. Encode CAF (PCM 16-bit) from AC3 at 256k for music or 128k for speech, starting from the master.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

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FAQ

How do I convert AC3 to CAF?

Drop your AC3 file onto this page, choose quality and codec settings, then click Convert. The result downloads as CAF instantly. All processing runs in your browser.

What codec is used for CAF?

The default codec for CAF is PCM 16-bit. You can change audio parameters in Advanced mode.

How do you store my files?

We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.