什么是倒计时器？
倒计时器是一种从设定时长倒数到零然后触发警报的计时工具。TimerClockify倒计时器在浏览器中以完全精度运行，支持1秒到99小时的自定义时长，并包含常用间隔的快速预设。
如何使用计时器
- 使用小时、分钟和秒输入框设置所需时长。
- 或选择快速预设（1分钟、5分钟、25分钟等）。
- 点击「开始」启动倒计时。
- 倒计时结束时，计时器会提醒您。
TimerClockify计时器让您为烹饪、锻炼、学习等设置精确时长。具有快速预设和稍后提醒功能。
谁在使用TimerClockify倒计时器？
- 学生 — 设置25分钟学习课程或考试练习间隔。
- 家庭厨师和面包师 — 精确计时从1分钟到1小时的各种食谱。
- 健身爱好者 — 构建训练间隔、休息时间和循环训练。
- 演讲者和主持人 — 用可见的倒计时显示保持演讲进度。
- 自由职业者 — 限时完成任务以保持生产力。
常见问题
我可以设置自定义时长吗？
计时结束时会提醒我吗？
Detailed Reference (English)
A countdown timer is a time-tracking tool that counts downward from a set duration to zero, then triggers an alert. The TimerClockify countdown timer runs in the browser at full precision, supports custom durations from 1 second to 99 hours, and includes quick presets for common intervals. It works offline and requires no installation.
TimerClockify Countdown Timer is a free online tool for setting precise countdowns. It features quick presets for popular durations (1 minute, 5 minutes, 25 minutes, 1 hour), custom hour/minute/second inputs, audio alerts with snooze support, and offline capability via PWA technology. Ideal for cooking, studying, exercising, presentations, and any activity that requires time-boxed focus.
Quick setup steps: Open TimerClockify and navigate to the Timer tool. The interface displays three input fields: hours, minutes, and seconds. Enter your desired duration manually, or click one of the quick presets (1 min, 5 min, 10 min, 25 min, 30 min, or 1 hour) to set a common interval instantly. Click the Start button to begin the countdown. The display shows the remaining time updating in real-time.
Common use cases: Students — Set 25-minute study sessions or exam practice intervals with automatic alerts. Home Cooks & Bakers — Time recipes precisely, from 1-minute egg intervals to 1-hour roasting sessions. Fitness Enthusiasts — Structure workout intervals, rest periods, and circuit training rounds.