Free Online Stopwatch
An online stopwatch is a browser timer that counts elapsed time for races, board game turns, classroom drills, puzzle solves, and practice sessions. Use this free stopwatch for lap times, split tracking, keyboard controls, and copyable timing notes.
Built for fast rounds and live games
Time player turns, classroom races, party challenges, puzzle solves, game demos, and practice sessions without installing a separate timer app.
Find board games with GameShelfStopwatch
Track game turns, classroom races, puzzle solves, and timed drills.
Frequently asked questions
What is an online stopwatch?
An online stopwatch is a browser-based timer that counts up from zero and records elapsed time for races, games, drills, classes, and work sessions.
How do lap times work?
Each lap records the total elapsed time and the split since the previous lap, so you can compare rounds, turns, solves, or attempts.
Can I use keyboard shortcuts?
Yes. Press Space to start or pause, L to record a lap, and R to reset when you are not typing in the label field.
Does the stopwatch require an account?
No. The stopwatch is free, runs in your browser, and does not require a GameShelf account.
Can I share stopwatch results?
Yes. Add a session label, record laps, and copy a plain-text summary with total time and split times.