ChronOtter uses cookies and similar technologies for ads and measurement.

ChronOtter

Chrono + Otter

Countdowns, a snappy stopwatch, world clocks, and reliable alarms — in one fast PWA.

Tools

Pick a tool to get started.

Countdown

Preset minutes or custom durations with fullscreen + sound.

Stopwatch

Accurate laps & splits for workouts or sessions.

World Clocks

Pin favorite cities and compare time zones at a glance.

Alarms

Create one-off or repeating alarms with labels.