Choose a tuner, metronome, tone generator or practice tool.
Detect any note, frequency and cent offset.
Tune every guitar string in standard or alternate tunings.
Stable low-frequency tuning for 4- and 5-string bass.
Tune GCEA or low-G ukulele.
Tune violin strings G, D, A and E.
Tune viola strings C, G, D and A.
Tune cello strings C, G, D and A.
Monitor the pitch and stability of individual notes.
Observe pitch and stability of a sustained note without recording.
Accurate 20–400 BPM metronome with meter, accents and subdivisions.
Tap with mouse, keyboard or touch to find the tempo.
Repeat short patterns and see whether you play early or late.
Increase BPM automatically after a chosen number of bars.
Practice riffs, scales and chord changes at a steady tempo.
Strong accents and subdivisions for drum practice.
Practice 6/8 meter with clear accents.
Metronome for waltz and 3/4 practice.
Generate sine, triangle, square and saw waves from 20 to 20,000 Hz.
Play a precisely selected frequency locally in the browser.
Play the standard A4 = 440 Hz reference tone.
Play A4 = 432 Hz and compare it with 440 Hz.
Play reference tones and tune without a microphone.
Set session time, pause and get a local finish signal.
Store time, tempo and notes only in your browser.
Measure sustained-note pitch spread without recording audio.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.
Select a string and tune it to the correct target note.