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Convert CAF to Opus

Convert CAF to Opus format — 100% browser-based, no upload required.

2 cores · low tier

Drop a file here or click to select

Format will be auto-detected

About these formats

Source

CAF

Core Audio Format

Apple's flexible audio container supporting any codec. Designed to overcome limitations of older formats like AIFF and WAV.

Best for

macOS/iOS audioProfessional audioApple development

Advantages

  • + Any codec
  • + No size limits
  • + 64-bit offsets
  • + Apple native

Limitations

  • Apple-only
  • Limited third-party support
  • Niche format
Target

Opus

Opus Audio Codec

Modern open-source audio codec excelling at voice and music. Best quality-per-bitrate of any lossy codec, and the standard for WebRTC.

Best for

VoIP/callsStreamingLow-latency audioWeb communication

Advantages

  • + Best quality-per-bit
  • + Open source
  • + Ultra low latency
  • + WebRTC standard

Limitations

  • Limited device support
  • Newer format
  • Less metadata support