CAF to Opus - Online Audio Converter

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

Convert CAF to Opus

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

Output format

Opus (Opus)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About CAF to Opus

Convert CAF to Opus. CAF is Apple's 64-bit container for large recordings beyond WAV limits. Opus adapts from 6 kbps speech to 510 kbps music with low latency. CD-era hardware may not decode it; use MP3 for legacy players..

Why convert CAF to Opus?

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

CAF vs Opus

Codec	PCM 16-bit	Opus
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.	Opus adapts from 6 kbps speech to 510 kbps music with low latency.

When not to convert CAF to Opus

Skip Opus 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 Opus 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. CD-era hardware may not decode it; use MP3 for legacy players. Encode Opus (Opus) 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 Opus?

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

What codec is used for Opus?

The default codec for Opus is Opus. 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.