Online Tool Store
Workout Rest Timer
A configurable rest countdown timer for workouts, with automatic set progression and built-in audio cues. Runs entirely in your browser.
🔒 This tool runs entirely in your browser. Your files are never uploaded to a server.
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How the workout rest timer works
- Set your rest duration and number of sets.
- Press Start - the countdown runs with beeps in the final seconds.
- The timer automatically moves to the next set until all sets are complete.
FAQ
How do the audio cues work?
A short beep plays on the final 3 seconds of each rest period, and a longer tone plays when the rest is over, generated live using the Web Audio API - no audio files needed.
Can I use this for multiple sets in a row?
Yes - set the number of sets and the timer automatically advances to the next set and resets the countdown after each rest period finishes.
Can I turn off the sound?
Yes - uncheck "Beep on countdown & finish" to run the timer silently, useful in a quiet gym or shared space.
Does the timer keep running if I switch tabs?
It should continue in most modern browsers, but timing precision can vary when a tab is backgrounded - keep this tab active for the most reliable countdown.
How we compare
| Feature | Online Tool Store | Phone stopwatch | Dedicated workout timer app |
|---|---|---|---|
| Auto-advances between sets | ✓ | ✗ | ✓ |
| Built-in audio cues | ✓ | ✗ | ✓ |
| No app install | ✓ | ✓ | ✗ |
A quick, no-install way to time rest between sets without fumbling with a phone stopwatch.