Start a fasting timer and track how many hours and minutes you've been fasting. Stop anytime to see your total fasting duration.
Track your intermittent fasting sessions with a simple start/stop timer. Click start to begin tracking your fast — the timer stores your start time in your browser and shows elapsed hours and minutes in real-time. When you're ready to eat, click stop to see a summary of your total fasting duration. All data stays on your device.
Click Start Fast to begin tracking your fasting session. The timer will show how many hours and minutes you've been fasting. When you're ready to eat, click End Fast to see a summary of your total fasting duration. Your start time is saved in your browser so you can close the page and come back.
Yes. Your start time is saved in your browser's local storage, so you can close the page and come back later — the timer will continue from where you left off.
Common intermittent fasting schedules include 16:8 (16 hours fasting, 8 hours eating window), 18:6, or 20:4. Consult a healthcare professional for advice suitable for you.
No. All data is stored locally in your browser. Nothing is sent to any server.
This tool runs entirely in your browser. Nothing you type or paste is sent to any server — all processing happens locally on your device.