Intermittent Fasting Timer
Track a 16:8 (or custom) fast that keeps running across tabs.
Reach for Intermittent Fasting Timer whenever you want to focus, train or rest for a set time without watching the clock. Students use it for study sprints, athletes for intervals and anyone for mindful breaks — start in one tap and let the chime do the rest. Free, no sign-up, and it runs right in your browser.
About Intermittent Fasting Timer
Intermittent Fasting Timer is a free, distraction-free online timer that runs right in your browser. Track a 16:8 (or custom) fast that keeps running across tabs. With a big, readable display and clear audio cues, you can start a focused session in one click — no app to install and no account to create. Everything runs locally, so there's nothing to set up and nothing to sign in to.
How to use Intermittent Fasting Timer
- 1Set your durations or pick a preset for intermittent Fasting Timer.
- 2Press start and keep the tab open — the countdown stays accurate in the background and chimes when each phase ends.
- 3Reset and run it again as often as you like; it remembers your last settings on this device.
Why use Intermittent Fasting Timer?
- ✓Students and remote workers who use focus sprints to beat procrastination.
- ✓Anyone following a fitness, meditation or breathing routine that needs timed intervals.
- ✓Runs in the browser, free and private — no app, no sign-up, no ads in your way.
Frequently asked questions
Is Intermittent Fasting Timer free to use?+
Yes, completely free with no hidden costs, no sign-up and no credit card. There are no usage limits — use it as often as you like.
Do I need an account or to install anything?+
No account, no download, no install. Intermittent Fasting Timer is a web page that loads instantly and works on phones, tablets and computers — it even keeps working offline once the page has loaded.
Will the timer keep running if I switch tabs?+
Yes. Intermittent Fasting Timer keeps counting accurately while you work in other tabs or apps and plays an audible alert the moment time is up, so you never miss the end of a session.
Does it play a sound when time is up?+
It does — a clear chime plays at the end of each interval. Make sure your device isn't muted, and allow sound for the page the first time if your browser asks.
Is my data private?+
Yes. Intermittent Fasting Timer runs entirely in your browser — nothing you type is uploaded to a server. Where the tool saves your work, it stays on your own device in local storage, so your data never leaves your computer or phone.
Embed Intermittent Fasting Timer on your website
Want Intermittent Fasting Timeron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.
<iframe src="https://tooljolt.com/tools/fasting-timer" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="Intermittent Fasting Timer — ToolJolt" loading="lazy"></iframe>