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Bulk M4R to iPhone Audio Converter Online — Free HD Quality

Drag and drop your multiple M4R files into this free online M4R to iPhone Audio converter (.m4r 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 M4R 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

M4R vs iPhone Audio — File Format Comparison

Feature M4R iPhone Audio
File Extension .m4r .iphone
MIME Type audio/mp4 audio/mp4
Compression Type Lossy Lossy
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 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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