🔊 Sound is generated in the browser. Mic audio is never uploaded.
🎸
Play your instrument into the mic and it tells you the note, and how sharp or flat you are.
Audio is analysed inside the browser and is never sent anywhere.
What this tool does
- Live note and frequency
- Error from the reference in cents
- Open-string references for guitar and ukulele
- Adjustable A440 reference
Other sound tools
Start at a low volume — high frequencies and loud tones can damage your hearing.