Online Metronome
Allegro
Free online metronome from 20 to 400 BPM. Clicks run on the audio clock, so the beat does not drift.
A click you can trust
TempoTrue plans every click ahead on the Web Audio clock instead of a page timer. Over a thousand beats it does not drift, and the moving dot follows the sound, corrected for the output delay of your speakers or Bluetooth headphones.
Meters, accents and subdivisions
Open the rhythm pill to pick a time signature, from 2/4 to 12/8, or type your own, for example 11/8 grouped 3+3+3+2. Tap a beat to change its accent: strong, medium, soft or silent.
Questions
Is the metronome accurate?
Yes. Each click is scheduled ahead on the audio clock of your device, so it does not drift with page load or background tabs. If the dot looks late with Bluetooth headphones, the delay is in the headphones and can be compensated in the settings.
How do I set an odd time signature like 7/8?
Tap the rhythm pill above the metronome, choose 7/8 or type 7/8 2+2+3 in the custom field. The first beat of each group gets an accent.
Does it work without the internet?
Yes. After the first visit the metronome, its sounds and your settings work offline. You can also add it to your home screen.