1. Choose audio
Use a short recording you own or have permission to process. Piano and clean single-instrument audio works best.
Experimental open-source tool
Free Audio to MIDI Converter
Upload your own MP3, WAV, OGG, FLAC or M4A, create a MIDI file automatically, then download it or open it in the piano trainer.
Convert audio
Short clean single-instrument recordings work best. The free beta can take a few minutes while it detects notes. MVP limit: 25 MB.
File
-
25 MB max
Choose an audio file.
2. Wait for conversion
The site does not download YouTube audio or bypass paid services. Detection can take a few minutes on free infrastructure.
3. Practice the MIDI
Download the `.mid` file or open it directly in MIDI Piano Trainer.
Works best
- 10-60 seconds of clean piano or one melodic instrument.
- Little background noise, reverb, or room echo.
- MP3, WAV, OGG, FLAC, or M4A under 25 MB.
May be inaccurate
- Full mixed songs, vocals, drums, or many instruments at once.
- Phone recordings with heavy noise or clipping.
- Long files, live performances, or very quiet audio.
Help improve the converter
Bad result? Send feedback
Share what went wrong, the audio type, which recording mode was selected, and a generated MIDI if you can. Real feedback is what helps us improve the open-source recognition path.
FAQ
Why can conversion take a while? Note detection is heavier than a normal web page, so the free beta processes one heavy conversion at a time.
What audio works best? Short piano, guitar, or melody recordings work better than full mixed songs.