Turn MP3 Audio into Editable MIDI Notes
MP3 to MIDI Converter is a free, browser-based AI tool that transcribes the notes in your MP3 recordings into a standard MIDI file. No signup, no upload—your audio stays on your device. Upload an MP3, choose the closest audio type, preview the detected notes in a piano roll, fine-tune them, and download the MIDI for further editing in your favorite DAW or music software.
Key Features
- Private & Browser-Based: Your MP3 is processed locally; only the model and site assets are downloaded.
- AI-Powered Note Detection: Detects pitch, timing, and duration for polyphonic audio.
- Built-In MIDI Editor: Move, resize, join, or delete notes with undo/redo and grid snapping.
- Preview Before Download: Compare original audio with synthesized MIDI.
- Standard MIDI Output: Download a .mid file compatible with most music software.
How It Works
- Upload an MP3 (up to 20 MB / 3 minutes).
- Select the closest audio type (voice, piano, guitar, bass, full song, or Not Sure).
- Preview and edit the detected notes, then download the MIDI.
Best Results
- Use clean recordings with little noise or reverb.
- Start with short, solo instrument clips.
- Adjust sensitivity and minimum note length to refine detection.
Limitations
- Full songs with dense mixes are experimental and may need cleanup.
- Does not separate stems or create sheet music.
Free & No Signup
Start converting your MP3 to MIDI instantly—no account required. Perfect for musicians, songwriters, and anyone exploring music transcription.
