A complete set of free online time instruments. Read your local time with UTC offset, set an alarm with snooze, time intervals to a hundredth of a second, compare the time across world cities and time zones, and browse a perpetual calendar with ISO week numbers and lunar phases — all in your browser, no installation required.
Measuring the moment. Second by second, without interruption.
Set a wake time. The sound triggers at the exact moment.
No alarms set.
Measuring elapsed time to the hundredth of a second.
No laps recorded.
Current time in major cities across all continents. Search by city or country.
A perpetual month calendar with ISO week numbers and lunar phase — the long measure beside the short.
An online timer is a simple time-tracking tool that runs directly in your browser. ONLINETIMER.TOOLS offers the fastest and most intuitive online timer, designed for work, study, exercise, cooking, meditation, and productivity. No login, no ads, no clutter — just a clean, fast, and accurate timer.
Our timer is optimized for speed, accuracy, and ease of use. It works on all devices, from desktop to phone, with instant start and no setup. It is part of the CHRONOS productivity platform, which also includes a stopwatch, countdown, pomodoro, interval timer, and world clock.
Is the timer free?
Yes, completely free.
Does it work on my phone?
Yes, it works on all devices.
Do I need to sign up?
No, the timer works without registration.