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TimeMaster Pro

Precision Timing Tools

Set alarms, reminders, and timers online with a sleek, modern interface. Works on all devices.

Click to upload MP3/WAV

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Why Use TimeMaster Pro?

TimeMaster Pro is the ultimate free online alarm clock designed for productivity. Unlike standard clock apps, our tool runs directly in your browser, requiring no installation or permissions beyond audio access.

Whether you need a wake-up alarm, a pomodoro timer for studying, or a quick reminder for meetings, our interface is optimized for speed. Features include custom sound uploads, alarm pinning for priority tasks, and a responsive design that looks great on mobile phones and desktops alike.

We support global users with a 12-hour and 24-hour time format interface and ensure your alarms ring accurately as long as the tab is open. Bookmark timemasterpro.com/alarm for instant access anytime.

Frequently Asked Questions

Is TimeMaster Pro Alarm Clock completely free?
Yes, TimeMaster Pro is 100% free to use. You can set unlimited alarms, upload custom sounds, and use all features without any subscription or hidden fees.
Can I use this online alarm clock on my mobile phone?
Absolutely. TimeMaster Pro is fully responsive and works on all devices including iPhones, Android phones, tablets, and desktop computers directly in your web browser.
Will the alarm work if I close the browser tab?
For the alarm to ring, the browser tab must remain open. However, you can minimize the browser or switch to other tabs within the same window. We recommend pinning the tab to avoid accidental closure.
How do I upload my own alarm sound?
Simply click the 'Upload Custom Sound' button in the alarm form, select any MP3 or WAV file from your device, and set your alarm time. The sound will play when the alarm triggers.

ALARM RINGING!

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