Free Online Guitar Tuner
Standard tuning E A D G B E. Click Start, allow mic access, then pluck one string at a time.
Mic is off.
Detected note
--
Waiting for audio…
Frequency
-- Hz
Offset
-- cents
Target
--
Tuning meter
FlatIn tuneSharp
Choose a string target (optional)
Tip: pick a target string to stabilise the meter.