Timero

Free Online Countdown Timer with Alarm (10 Seconds to 16 Hours) - No Signup

Start a 35 Minutes countdown timer online. Choose preset timers or set hours, minutes, and seconds, then press start. Add an alarm sound and keep track of workouts, cooking, study sessions, meetings, and productivity—no signup required.

  • Custom timers from 10 seconds to 16 hours
  • Preset timers (1 min, 5 min, 10 min, 15 min, and more)
  • Set hours, minutes, and seconds with one click
  • Alarm sound at the end
  • No registration required