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Convert AMR to CAF
Convert AMR to CAF 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
AMR
Adaptive Multi-Rate AudioSpeech codec optimized for voice recording. Widely used in mobile phones for voice notes and MMS audio.
Best for
Voice recordingPhone audioMMS messagesLow-bandwidth speech
Advantages
- + Very small files
- + Optimized for speech
- + Mobile standard
Limitations
- − Speech only (poor music)
- − Low quality
- − Limited sample rates
Target
CAF
Core Audio FormatApple'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