Shortcuts: Space Start • L Lap • R Reset • S Settings
Free online stopwatch to track HIIT, Tabata, and circuit training sessions. No download required; easily record laps, rest times, and manage your workout intervals automatically.
Press START to begin the timer. Use LAP to record splits. In INTERVAL mode, configure your work/rest periods. Use it as a Tabata timer (20/10) or HIIT timer with ready presets for boxing rounds and WODs.
Created by BLACK GYM in Bursa Nilüfer.
Yes. You can use the Interval mode to set custom work/rest periods suitable for HIIT and Tabata.
Generally, 60–90 seconds for hypertrophy and 3–5 minutes for strength training. It depends on your goals.
Yes, records are stored locally in your browser (localStorage). They will remain even if you refresh the page.
Yes, this online stopwatch is completely free to use with no ads or hidden costs.
Once loaded, the timer can keep running even if your connection drops. Some assets may require internet on first load.
Absolutely. The interface is optimized for mobile touchscreens and works great on phones and tablets.
Open Settings, select the "Tabata" preset (20s work / 10s rest), and you are ready to go.
This setting prevents your device from going to sleep while the timer is running, ensuring you never lose track of time.
