MIDI converter apps

SoundToMIDI

SoundToMIDI converts MP3, WAV, FLAC, M4A, OGG, AAC, and compatible MP4 files into editable MIDI in the browser. Transcription runs on the user’s device without uploading the source audio or requiring an account. Users can inspect a piano-roll preview and download Raw MIDI for free. An optional one-time $2.99 purchase unlocks the Cleaned MIDI download. Clear melodies and isolated instruments work best; dense mixes may still need manual editing.