Instrument Tuner

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A chromatic tuner that listens through your microphone and shows the note and how many cents sharp or flat you are. Free, in your browser.

Allow microphone access, then play a note. The tuner shows the closest note and how far off you are. Audio never leaves your device.

–
Play a single note…
-50-250+25+50
Frequency: – Hz · – cents
Microphone access was blocked. Allow it in your browser to use the tuner.
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