Timer & Stopwatch

Countdown timer with audio alert and stopwatch with lap tracking.

05:00
hours
:
min
:
sec

About Timer & Stopwatch

Free online timer and stopwatch tool. Set a countdown timer with hours, minutes, and seconds, get an audio alert when time runs out, and use the stopwatch to track elapsed time with lap splits. No download or login required.

How to Use

  1. 1Choose Timer (countdown) or Stopwatch using the tabs at the top.
  2. 2For the timer: set hours, minutes, and seconds, then press Start.
  3. 3Use the quick-add buttons to add extra time at any point.
  4. 4For the stopwatch: press Start, then Lap to record split times.
  5. 5Press Pause to freeze and Resume to continue. Reset clears everything.

Frequently Asked Questions

How do I set the countdown timer?
Use the up/down arrows or type directly into the hours, minutes, and seconds fields. Then press Start. You can also tap the quick-add buttons (+0:30, +1:00, etc.) to adjust time instantly.
Will I hear a sound when the timer finishes?
Yes — a short beep plays when the countdown reaches zero. Use the speaker icon in the top-right to mute it.
Can I add time while the timer is already running?
Yes! Click any quick-add preset (+0:30, +1:00, +5:00…) while the timer is running to extend it without stopping.
How do I use the stopwatch laps?
Start the stopwatch then click Lap each time you want to mark a split. The list shows each lap's split time and total elapsed time, with the fastest and slowest laps highlighted.