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Opus to MIDI - Online Audio Converter
Convert Opus to MIDI online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert Opus to MIDI
Drop Opus audio here or click to select
Opus
MIDI (MIDI)
About Opus to MIDI
Convert Opus to MIDI. Opus adapts from 6 kbps speech to 510 kbps music with low latency. MIDI packages note events for synths and notation tools. No audio is stored, so playback varies by synth..
Why convert Opus to MIDI?
- Tiny files with MIDI note events (no audio samples).
- Keep quality where supported.
- Private, no upload - runs in your browser.
Opus vs MIDI
| Codec | Opus | MIDI |
|---|---|---|
| Compression | lossy | sequence |
| Sample behavior | Quality set by bitrate | Note events - no audio samples |
| Typical use | Opus adapts from 6 kbps speech to 510 kbps music with low latency. | MIDI packages note events for synths and notation tools. |
When not to convert Opus to MIDI
- Skip MIDI for recorded sound: it stores note events, not audio, so keep the Opus recording.
- Keep a master copy: repeated exports stack small losses, so archive Opus before batch MIDI shares.
Limits
Starting point: Opus - Opus adapts from 6 kbps speech to 510 kbps music with low latency. CD-era hardware may not decode it; use MP3 for legacy players. No audio is stored, so playback varies by synth. Encode MIDI (MIDI) from Opus at 256k for music or 128k for speech, starting from the master.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.
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FAQ
How do I convert Opus to MIDI?
Drop your Opus file onto this page, choose quality and codec settings, then click Convert. The result downloads as MIDI instantly. All processing runs in your browser.
What codec is used for MIDI?
The default codec for MIDI is MIDI. You can change audio parameters in Advanced mode.
How do you store my files?
We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.