Simple controls
Add multiple labeled alarms.
Set named alerts for focus blocks, breaks and reminders, directly in your browser.
Add multiple labeled alarms.
Choose weekdays or a one-time alarm.
Use snooze and notification permissions when supported.
Browser alarms do not work reliably when the tab is closed, the device sleeps or the operating system restricts background activity.
About privacy and browser storage →An alarm is scheduled for a particular local clock time. A countdown timer measures an interval, such as ten minutes from now.
No. The browser may be suspended or closed, especially on mobile devices. For wake-up calls, medication or any safety-critical reminder, use a dedicated system alarm instead.