A metronome is one of the most useful practice tools a musician can own, and you don't need to own one. This free online metronome keeps rock-steady time from 20 to 300 BPM, whether you play guitar, piano, drums or violin, sing, or are just learning to dance on the beat. Many web metronomes drift because they rely on ordinary timers. This one schedules every click ahead of time on your device's audio clock with the Web Audio API, the same technique used in music software, so the beat stays tight even when the page is busy. Pick a time signature (2/4, 3/4, 4/4, 5/4, 6/8, 7/8 and more), and the first beat of each bar gets a higher accent so you never lose your place. Add subdivisions to hear eighth notes, triplets or sixteenths. Don't know the tempo of a song? Use tap tempo: tap the button (or press T) along with the music and it works out the BPM. A row of lights flashes with each beat for when you can't hear the click over your instrument. Use the slider or the ±1 and ±5 buttons to change speed, and the spacebar to start and stop. Everything runs in your browser.
Metronome
How to use the metronome
- Set the tempo with the slider, buttons or tap tempo.
- Choose a time signature and subdivision.
- Press Start (or the spacebar).
Common tempo markings
| Largo | 40–60 BPM |
| Adagio | 66–76 |
| Andante | 76–108 |
| Moderato | 108–120 |
| Allegro | 120–168 |
| Presto | 168–200 |
FAQ
Is this metronome accurate?
Yes. Clicks are scheduled on the Web Audio clock, which is sample-accurate, rather than with ordinary timers that drift.
How does tap tempo work?
Tap at least twice in time with the music; it averages your last few taps. Pause for 2 seconds to start fresh.
Why does 6/8 accent only the first beat?
Each click is one eighth note and the bar’s first beat is accented. Try the dotted-quarter feel by counting in two groups of three.
Does it work in the background?
Usually, yes. Some phones pause audio when the screen locks.
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