AlarmOnline24
Set a browser alarm in 5 seconds — no app, no sign-up needed
What it does
Most alarm clocks online are outdated or require sign-up just to set a timer. AlarmOnline24 is different — a free browser alarm clock that works instantly on any device. - Quick presets: 5, 10, 15, 30, 45 min, 1hr, 2hr - Multiple sounds + volume control - Real-time countdown & progress tracker - Dark mode - No download. No sign-up. Ever. Open the tab. Set your alarm. Get back to work.
Does the same job
all alternatives →
- ACAlarmclocktab.com – phone's dead and I need an alarm, stopwatch, timer2023 · alarmclocktab.com · ▲15
Web based time tools including alarms, timers, stopwatch, and time zone converter. Resources also include Tabata, Pomodoro and other useful timers, tips and tactics for managing time and time tracking. Dark mode included!
- OTOnline Timers2023 · timerone.com · ▲12
Minimal online date calculators and timers: pomodoro, countdown, stopwatch, alarm clock. Pomodoro is easily configurable with the ability to add additional timers and to set predefined break activities. I like to add a few leg and core exercises (variations of squat and plank) and some stretching. Helps me to remember to move away from the monitor and relax the brain.
AlarmiFexJul 2026 · alarmifex.amdose.com · ▲4Wake up to any song. Rings on silent, on Focus, offline
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