About Online Guitar Tuner & Live Microphone Pitch Detector
Tune your acoustic or electric guitar directly through your browser. Features real-time autocorrelation microphone pitch detection with a precision needle deviation cents meter and reference audio pitch synthesis for standard EADGBE strings.
Key Capabilities & Features
- Live microphone pitch detection via autocorrelation algorithm
- Needle meter cents deviation indicator (-50 to +50 cents)
- Reference tone synthesizer for EADGBE strings (82Hz to 330Hz)
- 100% In-browser Web Audio processing
How to Use Online Guitar Tuner & Live Microphone Pitch Detector
1
Grant Microphone Access
Click "Start Auto Tuner" to enable pitch detection.
2
Pluck a String
Play an open string and observe the detected note and cents needle.
3
Tune
Adjust tuning pegs until the needle aligns within ±3 cents green indicator.
Privacy & In-Browser Execution Guarantee
Microphone audio is analyzed in local browser memory and never recorded or uploaded.
Frequently Asked Questions
What frequencies correspond to standard guitar tuning?
Standard EADGBE guitar tuning consists of E2 (82.41 Hz), A2 (110.00 Hz), D3 (146.83 Hz), G3 (196.00 Hz), B3 (246.94 Hz), and E4 (329.63 Hz).
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