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Metronome. A click that never drifts.

A sample-accurate metronome with tap tempo, time signatures, subdivisions and accents. The click is synthesized right on your device with Web Audio, nothing about your practice leaves your browser.

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A free online tool by Digital Heroes
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Allegro
Press Space to start / stop

The click is synthesized locally with Web Audio, nothing about your practice session leaves your browser.

Export a click track

Render the current tempo, signature, subdivision and accent settings to a 16-bit WAV, handy as a DAW guide track.

Why this click doesn’t drift

Naive metronomes fire setTimeout for every tick, so the click wobbles whenever the browser is busy. This one uses a lookahead scheduler: a light timer wakes every 25 ms and books each click ~100 ms ahead on the Web Audio clock, which is sample-accurate. The result is a rock-steady pulse from 30 to 260 BPM, even with subdivisions running.

§ 02 · what you can do

Everything a metronome should do.

Exact BPM, 30, 260Set tempo with the slider or type a precise value into the number field.
Tap tempoTap in rhythm and the BPM is averaged from your last four intervals.
Time signatures2/4, 3/4, 4/4 or 6/8 with a visual beat-dot indicator for each bar.
SubdivisionsClick down to eighth notes, triplets or 16th notes at any tempo.
WAV click-track exportRender 4 to 64 bars to a 16-bit WAV, a ready guide track for any DAW.
Pendulum & accentsWatch the arm swing in sync, accent beat 1, or toggle either off.
§ 03 · how to use it

Five steps, no manual.

  1. Set your BPM with the slider or type an exact value, or tap the Tap tempo button in rhythm to detect it automatically.
  2. Pick a time signature and a subdivision from the buttons below the transport.
  3. Choose whether to accent beat 1 and show the pendulum, and set the volume.
  4. Press Start (or hit Space) to begin, the beat dots and pendulum follow the click in real time.
  5. When you need a guide track for recording, set the bar length in the Export panel and click Download WAV.
§ 04 · faq

Frequently asked questions.

Is the Metronome free?
Yes, completely free for everyone. No sign-up, no account and no usage limits.
Is it private? Does it upload anything?
Nothing is uploaded. The click is synthesized directly in your browser using the Web Audio API, your practice session stays entirely on your device.
Does it work offline?
Yes, once the page has loaded, the metronome keeps working with no internet connection, because all the audio logic runs locally.
Why does the click stay in time even with subdivisions?
It uses a lookahead scheduler instead of a plain setTimeout. Every 25 ms a light timer books the next few clicks roughly 100 ms ahead on the Web Audio clock, which is sample-accurate, so the pulse stays rock-steady from 30 to 260 BPM, even in background tabs.
What WAV file does the export produce?
A 16-bit, 44.1 kHz mono WAV with your current BPM, time signature, subdivision and accent settings baked in. Choose 4, 8, 16, 32 or 64 bars, the file is named automatically and downloads instantly, with no server involved.
How does tap tempo work?
Tap the button in time with the music. The metronome averages the intervals between your last four taps to compute the BPM. Pause for more than two seconds and it starts a fresh measurement.

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