Bulk MID to OPUS Converter Online — Free HD Quality
Drag and drop your multiple MID files into this free online MID to OPUS converter (.mid to .opus), and click the Convert button to bulk convert them to OPUS format in HD quality. Use the quality slider to fine-tune your OPUS 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 OPUS — File Format Comparison
| Feature | MID | OPUS |
|---|---|---|
| File Extension | .mid | .opus |
| MIME Type | audio/midi | audio/opus |
| Compression Type | Varies | Lossy |
| 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 OPUS Format?
Opus — the IETF standard for internet voice and music streaming; outperforms MP3, AAC, and Vorbis at every bitrate, and is the default codec for WebRTC, Discord, and Spotify Connect.
- Compression: Lossy
- Tags & Metadata: Supported
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