offlinewebtools.com — free, watermark-free browser tools that stay on your device with nothing uploading to our servers

Online Alarm Clock

Set multiple alarms with custom labels and get notified when they ring

Free to use, no watermarks, runs in your browser—nothing uploads to our servers

11:43:12 PM

Also: 23:43:12 (24-hour)

Stay on schedule

Keep this tab open or install the offlinewebtools.com app to receive alarms even when you switch tabs. We’ll also display the status message below so you’re not relying on color alone.

Notifications: Permission required before alarms can alert in the background.
Install option: available on compatible devices for quicker access.

Notifications are pending permission.

Set New Alarm

Time

Example: 07:30 for 7:30 AM or 19:45 for 7:45 PM.

Label (optional)

No alarms set. Create your first alarm above!

Report a bug

If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.