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Bulk M4R to ALAC Converter Online — Free HD Quality

Drag and drop your multiple M4R files into this free online M4R to ALAC converter (.m4r to .alac), and click the Convert button to bulk convert them to ALAC format in HD quality. Use the quality slider to fine-tune your ALAC output, then download your converted files one by one or as a single ZIP — your original M4R files are removed from our servers right after.

To:
85%

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Max 100MB per file

M4R vs ALAC — File Format Comparison

Feature M4R ALAC
File Extension .m4r .alac
MIME Type audio/mp4 audio/mp4
Compression Type Lossy Lossless
Metadata Support Yes Yes

What Is M4R Format?

iPhone Ringtone — AAC audio in an MP4 container under 40 seconds, the format iTunes and iPhone use for custom ringtones; identical to M4A in encoding but recognised by iOS as a ringtone file.

  • Compression: Lossy
  • Tags & Metadata: Supported

What Is ALAC Format?

Apple Lossless Audio Codec — Apple's open-source lossless compression stored in an MP4 container, offering bit-perfect quality with 40–60% smaller files than AIFF; the native lossless format for Apple Music and iTunes.

  • Compression: Lossless
  • Tags & Metadata: Supported

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