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Music & Learning Tools

Metronome

Practise with an audio-clock-scheduled beat, accents and subdivisions.

Your content stays on your device Free, with no account
MetronomeLocal sound & practice

Sound & practice settings

Subdivisions per beat

Ready. Sound or microphone access starts only from your action.

Behavior, limits & privacy

30–240 BPM, 1–12 beats per bar and 1–4 subdivisions. Audio is scheduled against AudioContext.currentTime with a short look-ahead; visual dots reflect that clock, but output/device latency still applies. Changing timing restarts the pattern. Pause releases audio; Resume begins a fresh bar. Hidden tabs stop playback; no closed-page/background timing guarantee.

All processing stays in this browser. Hidden documents, Reset, workflow switching and page exit stop audio and microphone access. No uploads or stored performance/history. Optional JSON reports download only when chosen.

Beat & transport

—Status
—Observation
—Details

Tempo changes restart the bar. Pause releases audio; Resume starts a fresh bar. Beat dots follow the audio clock.

A FEW SIMPLE STEPS

How to use Metronome

  1. Choose the visible settings. Start at a low device volume for playback; the tuner requires explicit microphone permission.
  2. Use the controls next to the instrument, beat or live tuning preview.
  3. 30–240 BPM, 1–12 beats per bar and 1–4 subdivisions. Audio is scheduled against AudioContext.currentTime with a short look-ahead; visual dots reflect that clock, but output/device latency still applies. Changing timing restarts the pattern. Pause releases audio; Resume begins a fresh bar. Hidden tabs stop playback; no closed-page/background timing guarantee.
  4. Stop or Reset when finished. Reports are optional; hiding, switching or leaving releases local audio and microphone access.
PRIVATE BY DESIGN

Why use this tool?

Instruments and practice run locally using self-hosted code and synthesized sound. Only the tuner requests microphone audio, after Start; its samples are analysed locally without recording, monitoring or upload.

Tool inputs stay in your browser. Only your theme preference is saved on this device.

A few things worth knowing

How does this tool work?

30–240 BPM, 1–12 beats per bar and 1–4 subdivisions. Audio is scheduled against AudioContext.currentTime with a short look-ahead; visual dots reflect that clock, but output/device latency still applies. Changing timing restarts the pattern. Pause releases audio; Resume begins a fresh bar. Hidden tabs stop playback; no closed-page/background timing guarantee.

Does it upload audio or store practice history?

No. Generated sounds, local observations and practice results remain in the active browser page. Only the tuner requests microphone permission, and no microphone samples are recorded or uploaded.

What happens on Stop, hidden tab or switching?

Playback, scheduled notes, microphone tracks and analysis are stopped. Reset and workspace switching release working state. A downloaded JSON report remains under your control outside the application.

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