Bulk MIDI to FLAC Converter Online — Free HD Quality
Drag and drop your multiple MIDI files into this 100% free online MIDI to FLAC converter (.midi to .flac), and click the Convert button to bulk convert them to FLAC format in HD quality. Use the quality slider to fine-tune your FLAC 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:Quick MP3 to OPUS online converter.
Drop your MIDI files here to convert to FLAC, or click to browse
Converts .midi to FLAC (.flac) in HD quality — bulk, free, no signup
Choose FilesMIDI vs FLAC — File Format Comparison
See how MIDI and FLAC compare across file extension, MIME type, compression, and feature support. Related:Change FLAC to M4R.
| Feature | MIDI | FLAC |
|---|---|---|
| File Extension | .midi | .flac |
| MIME Type | audio/midi | audio/flac |
| 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 FLAC Format?
Free Lossless Audio Codec — open-source lossless compression that reduces file size by 40–60% versus WAV with zero quality loss, perfect for audiophile archiving.
- Compression: Lossless
- Tags & Metadata: Supported