Bulk MIDI to AAC Converter Online — Free HD Quality
Drag and drop your multiple MIDI files into this 100% free online MIDI to AAC converter (.midi to .aac), and click the Convert button to bulk convert them to AAC format in HD quality. Use the quality slider to fine-tune your AAC output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original MIDI files are removed from our servers right after. Also see:How to convert WMA to WAV online?.
Drop your MIDI files here to convert to AAC, or click to browse
Converts .midi to AAC (.aac) in HD quality — bulk, free, no signup
Choose FilesMIDI vs AAC — File Format Comparison
See how MIDI and AAC compare across file extension, MIME type, compression, and feature support. Related:Handle many MIDI to WMA at once.
| Feature | MIDI | AAC |
|---|---|---|
| File Extension | .midi | .aac |
| MIME Type | audio/midi | audio/aac |
| Compression Type | Varies | Lossy |
| 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 AAC Format?
Advanced Audio Coding — the successor to MP3 adopted by Apple, YouTube, and mobile platforms; delivers better quality than MP3 at the same bitrate, especially below 128 kbps.
- Compression: Lossy
- Tags & Metadata: Supported