Bulk MIDI to FLAC Converter Online — Free HD Quality
Drag and drop your multiple MIDI files into this 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 — 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 FLAC — File Format Comparison
| 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
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