Countdown Timer Online (with Alarm)
Utility ToolsSimple countdown timer with presets and an alarm
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →Countdown Timer Online (with Alarm) — at a glance
Count down any time for cooking, study, workouts or meetings.
How to use it — step by step
The time you want to count down from.
Set the time
Type hours, minutes and seconds, or tap a preset.
Start
Press Start. Pause and Resume any time.
Hear the alarm
A beep plays when the countdown reaches zero.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Will it work if I switch tabs?+
Yes. It uses the clock, not a counter, so it stays accurate.
Does the alarm play on silent phones?+
Most phones mute web sounds in silent mode. Turn the volume up to hear it.
What is the longest time?+
Up to 99 hours, 59 minutes and 59 seconds.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.