What is NoteMidi?
NoteMidi is a browser-based audio to MIDI converter that helps you turn a recording into editable notes. You can upload MP3, WAV, FLAC, M4A, AAC, OGG, AIFF, MP4 files, or record from your microphone, then review the result in a piano roll and download a MIDI file. Everything runs locally in your browser, so your audio never leaves your device during conversion. It also lets you choose transcription detail levels, adjust notes by ear, and export the edited result as MIDI, WAV, or MP3. It is built for quick idea capture, rough transcriptions, and simple edits before moving into a DAW.
Key features
- Converts audio files into editable MIDI notes in-browser.
- Supports microphone recording for quick melody capture.
- Lets you review and adjust notes in a piano roll.
- Runs locally, so audio stays on your device.
- Offers Simple, Standard, and Detailed transcription modes.
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