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Bulk CAF to iPhone Audio Converter Online — Free HD Quality

Drag and drop your multiple CAF files into this free online CAF to iPhone Audio converter (.caf to .iphone), and click the Convert button to bulk convert them to iPhone Audio format in HD quality. Use the quality slider to fine-tune your iPhone Audio output, then download your converted files one by one or as a single ZIP — your original CAF files are removed from our servers right after.

To:
85%

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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more

Max 100MB per file

CAF vs iPhone Audio — File Format Comparison

Feature CAF iPhone Audio
File Extension .caf .iphone
MIME Type audio/x-caf audio/mp4
Compression Type Lossless Lossy
Metadata Support Yes Yes

What Is CAF Format?

Core Audio Format — Apple's flexible container for macOS and iOS supporting any codec (AAC, ALAC, PCM, MP3) with no file-size limit, used internally by Xcode, Logic Pro, and macOS system sounds.

  • Compression: Lossless
  • Tags & Metadata: Supported

What Is iPhone Audio Format?

iPhone-optimised Audio — AAC/M4A audio encoded at 256 kbps, 44100 Hz stereo for maximum compatibility with iPhone, producing a .m4a file ready to sync via iTunes or AirDrop.

  • Compression: Lossy
  • Tags & Metadata: Supported

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