Range
Pick a random duration between min and max seconds, then count down. Handy for interval training or random breaks.
Uses your browser’s Web Crypto CSPRNG (crypto.getRandomValues) — strong PRNG for games, picks, and development. Not atmospheric true-random like RANDOM.ORG.
Countdown
0:00
Picked—
Remaining—
FAQ
Does it keep running if I leave the tab?
Browsers may throttle background timers — keep the tab visible for accuracy.