集中タイマー
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Planifai をダウンロード——無料5-Minute Focus Timer
時間制限付き集中セッションを使う理由は？
The Pomodoro short break
The Pomodoro Technique prescribes a 5-minute break after every 25-minute work block. This timer is built exactly for that interval — complete rest, then back to work when the chime sounds.
Task initiation for procrastinators
The 'just five minutes' commitment is a proven anti-procrastination technique. Starting feels low-stakes, and momentum carries you well past the five-minute mark almost every time.
End-of-day shutdown ritual
Use 5 minutes to close open loops: review tomorrow's calendar, write your three priorities, clear your desktop. A timed shutdown ritual makes the workday feel complete and protects your evening.
このタイマーを使う場面
Five-minute timers are among the most versatile productivity tools: Pomodoro breaks, morning intention-setting, end-of-meeting action-item capture, brief meditation sessions, or a simple walking break timer. They hit the sweet spot between 'too short to matter' and 'long enough to get distracted'.
よくある質問
What is the Pomodoro Technique?+
Developed by Francesco Cirillo, the Pomodoro Technique divides work into 25-minute focus blocks (Pomodoros) separated by 5-minute breaks. After four Pomodoros, you take a longer 15-30 minute break. The 5-minute timer is the official break interval.
Why does the '5-minute rule' work for procrastination?+
Committing to only five minutes makes the task feel small enough to start. The psychological barrier drops because the cost of starting feels minimal. Once you begin, you're usually past the hardest part — starting — and continue naturally.
Can I fullscreen this timer for presentations or classrooms?+
Yes — press F11 (or use your browser's View menu) to go fullscreen. The timer scales beautifully on large displays, making it ideal for classrooms, workshops, or timed exam segments.
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