Everyday tool
Online Timer, Stopwatch & Pomodoro
Choose countdown, stopwatch or focus mode, then start. The timer keeps time accurately if a tab sleeps.
Runs in your browser. No upload.
About this tool
Online Timer, Stopwatch & Pomodoro made simple.
Elapsed time is calculated from a monotonic browser clock rather than counting interval ticks, so background-tab delays do not accumulate as timer drift. No account, notification permission or audio is required.
Common questions
About Online Timer, Stopwatch & Pomodoro.
Can I use this page as a stopwatch?
Yes. Select Stopwatch and start it to measure elapsed time; you can pause and reset it at any time.
Does the countdown drift when I switch tabs?
The display can refresh less often in a background tab, but remaining time is recalculated from the browser clock when it updates.