Timer
Set a countdown timer with optional notifications.
- On your device
- No signup
Everyday Tools
Utilnivo
Time events with lap splits and centisecond precision.
Browse more in Everyday Tools or all tools.
Private on your device
Your information stays on your device and is not uploaded.
Set a countdown timer with optional notifications.
Set a browser alarm for a specific time.
Run focus sessions with short and long breaks using the Pomodoro method.
Calculate exact age in years, months, and days from a date of birth.
Count days, weeks, and months between two dates.
Estimate how much an appliance costs to run.
Calculate body mass index using metric or US units with a general classification.
Convert between common units of length, weight, volume, and temperature.
Start, pause, reset, and record lap times with a browser stopwatch. Timing runs entirely in your tab.
1. Click Start to begin timing. 2. Click Lap to record split times without stopping. 3. Click Stop to pause the main timer. 4. Click Reset to clear. 5. Lap times stay visible until you reset.
Example: start a run, tap Lap at 1:32 and 3:04, then Stop at 5:00—splits help compare segment pace.
Start, pause, reset, and record lap times with centisecond precision. The stopwatch works on your device tab.
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Your data stays on your device and is not uploaded.
FAQ
It runs on your device tab. Keeping the tab open gives the most reliable timing.
Lap and elapsed times are shown to centiseconds while the tab stays active.
Yes. Utilnivo tools are free to use and do not require an account.
Page last reviewed: