Bulk MID to AIF Converter Online — Free HD Quality
Drag and drop your multiple MID files into this free online MID to AIF converter (.mid to .aif), and click the Convert button to bulk convert them to AIF format in HD quality. Use the quality slider to fine-tune your AIF output, then download your converted files one by one or as a single ZIP — your original MID 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
MID vs AIF — File Format Comparison
| Feature | MID | AIF |
|---|---|---|
| File Extension | .mid | .aif |
| MIME Type | audio/midi | audio/aiff |
| Compression Type | Varies | Lossless |
| Metadata Support | Yes | Yes |
What Is MID Format?
MIDI File — Musical Instrument Digital Interface note-event data synthesised to audio using a soundfont; the .mid format is the universal standard for exchanging musical scores between DAWs, keyboards, and sequencers.
- Compression: Varies
- Tags & Metadata: Supported
What Is AIF Format?
Audio Interchange File Format (short extension) — the .aif variant of AIFF used by older Apple software and some DAWs; functionally identical to .aiff with the same uncompressed PCM quality.
- Compression: Lossless
- Tags & Metadata: Supported
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