A free 60-minute (1 hour) visual countdown clock with acoustic Zen bell. Perfect for full exam simulations, hourly work sprints, and kitchen roasting.
Yes. oTimers calculates elapsed time using high-resolution hardware timestamps (performance.now()). Even if your browser throttles background tabs, the countdown remains 100% accurate down to the millisecond.
Yes. Press ↑ or ↓ on your keyboard (or scroll your mouse wheel over the watch face) to add or subtract minutes on the fly without stopping the clock.
Instead of abrasive digital buzzer sounds, oTimers synthesizes an acoustic Tibetan singing bowl / Zen gong using the browser's native Web Audio API.