3 Minute Timer
One click, alarm when time is up
Set a 3 Minute Timer
Press Start and this page counts down exactly 3 minutes, then plays a clear alarm. The remaining time shows in the browser tab, so you can work in another window and still see it.
Instant noodles, tea steeping, plank challenges, and the classic boxing round length.
Runs entirely in your browser — free, instant, no signup.
Frequently Asked Questions
Do I need to keep this tab open?
Keep the browser running; the tab title shows the countdown even when you're on another tab.
Can I pause it?
Yes — Pause and Reset buttons are right under the display.
Is the 3 minute timer accurate?
It ticks on a 1-second interval from your device clock — accurate for everyday timing.
Is it free?
Yes, completely free.
Related Tools
Need a different length? Try the custom timer or the Pomodoro Timer.
设一个3 分钟计时器
点击开始，页面精确倒数 3 分钟，结束时播放清晰的提示音。剩余时间会显示在浏览器标签页标题上，切到别的窗口也看得见。
泡面、泡茶、平板挑战，以及经典的拳击回合时长。
完全在浏览器内运行——免费、即开即用、无需注册。
常见问题
需要一直停在这个页面吗？
浏览器开着即可；切到其他标签页时，标题栏仍显示倒计时。
可以暂停吗？
可以——显示屏下方就有暂停和重置按钮。
计时准吗？
基于设备时钟每秒跳动，日常计时完全够准。
免费吗？
是的，完全免费。