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Bulk MIDI to ALAC Converter Online — Free HD Quality

Drag and drop your multiple MIDI files into this free online MIDI to ALAC converter (.midi 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 MIDI files are removed from our servers right after.

To:
85%

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Max 100MB per file

MIDI vs ALAC — File Format Comparison

Feature MIDI ALAC
File Extension .midi .alac
MIME Type audio/midi audio/mp4
Compression Type Varies Lossless
Metadata Support Yes Yes

What Is MIDI Format?

MIDI File (long extension) — the .midi variant of the MIDI format carrying the same musical note-event data as .mid; synthesised to audio via fluidsynth with a General MIDI soundfont at 44100 Hz.

  • Compression: Varies
  • 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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