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Bulk MP3 to iPhone Audio Converter Online — Free HD Quality

Drag and drop your multiple MP3 files into this 100% free online MP3 to iPhone Audio converter (.mp3 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 — no signup and no downloads needed, and your original MP3 files are removed from our servers right after. Also see:How to convert MP3 to OGG?.

Drop your MP3 files here to convert to iPhone Audio, or click to browse

Converts .mp3 to iPhone Audio (.iphone) in HD quality — bulk, free, no signup

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MP3 vs iPhone Audio — File Format Comparison

See how MP3 and iPhone Audio compare across file extension, MIME type, compression, and feature support. Related:Export FLAC as AIFF.

Feature MP3 iPhone Audio
File Extension .mp3 .iphone
MIME Type audio/mpeg audio/mp4
Compression Type Lossy Lossy
Metadata Support Yes Yes

What Is MP3 Format?

MPEG-1 Audio Layer III — the world's most popular compressed audio format, balancing sound quality with small file sizes for music streaming, downloads, and portable devices. See also:Convert multiple OGG to M4A at once.

  • 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. You might also need:Transform MIDI to M4R.

  • Compression: Lossy
  • Tags & Metadata: Supported