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— Hz
Tuning stopped
Flat -50¢
Perfect
Sharp +50¢
Tuning stopped
Microphone: Inactive
Click keys or use keyboard (A S D F G H J K L ; ' ) to play sound. Tuner listens only to microphone input.
If Start Tuning doesn't respond, click anywhere in the page first to activate audio, then click Start Tuning and allow microphone permission.