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Bulk ALAC to M4R Converter Online — Free HD Quality

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

ALAC vs M4R — File Format Comparison

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

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

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

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