Bulk MIDI to AIFF Converter Online — Free HD Quality
Drag and drop your multiple MIDI files into this free online MIDI to AIFF converter (.midi to .aiff), and click the Convert button to bulk convert them to AIFF format in HD quality. Use the quality slider to fine-tune your AIFF 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.
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PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
MIDI vs AIFF — File Format Comparison
| Feature | MIDI | AIFF |
|---|---|---|
| File Extension | .midi | .aiff |
| MIME Type | audio/midi | audio/aiff |
| 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 AIFF Format?
Audio Interchange File Format — Apple's uncompressed audio standard functionally equivalent to WAV but preferred in professional Apple audio workflows and GarageBand projects.
- Compression: Lossless
- Tags & Metadata: Supported
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