实用工具
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在线闹钟
使用免费的在线闹钟轻松唤醒、管理时间或设置提醒。在浏览器中快速设定闹钟时间和铃声。
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Counter
Simple online counter tool. Increase, decrease, or reset numbers instantly. Set custom step values and limits with ease.
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秒表
使用这个在线秒表精准计时。轻松开始、停止和重置。
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Countdown Timer
Free online countdown timer. Set hours, minutes, and seconds to count down easily. Simple, fast, and useful for work, study, or daily tasks.