CAF to AC3 - Online Audio Converter

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

Convert CAF to AC3

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

Output format

AC3 (AC-3)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About CAF to AC3

Convert CAF to AC3. CAF is Apple's 64-bit container for large recordings beyond WAV limits. AC3 (Dolby Digital) carries 5.1 surround on DVDs and broadcasts. Downmix choices change loudness; check levels after conversion..

Why convert CAF to AC3?

Smaller files with AC3 lossy compression.
Keep quality where supported.
Private, no upload - runs in your browser.

CAF vs AC3

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

When not to convert CAF to AC3

Skip AC3 for archival masters: lossy compression discards detail, so keep the CAF original.
Keep a master copy: repeated exports stack small losses, so archive CAF before batch AC3 shares.

Limits

Starting point: CAF - CAF is Apple's 64-bit container for large recordings beyond WAV limits. Few Windows tools open it; convert WAV for sharing. Downmix choices change loudness; check levels after conversion. Encode AC3 (AC-3) from CAF 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 CAF to AC3?

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

What codec is used for AC3?

The default codec for AC3 is AC-3. 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.