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Intermittent fasting timer

Pick a plan, start your fast and watch the clock. See when your eating window opens and what's generally happening in your body along the way.

Fast started—
Eating window opens—
Not suitable if you are pregnant or breastfeeding, under 18, diabetic or on medication that affects blood sugar, or have a history of eating disorders. Stop if you feel unwell, and check with a doctor before longer fasts.

Fasting Timer – free online tool

Track your fasts with a live timer, see which fasting stage you're in and keep a simple history. Built by TNG (The Noor Group). Works on phone, tablet and desktop.

How to use Fasting Timer

  1. Pick a fasting plan
  2. Start the timer
  3. Track progress and history

Frequently asked questions

Is my fasting history saved?

Yes, in your browser on this device. Nothing is sent to a server.

Is Fasting Timer free?

Yes. It's 100% free with no sign-up, no watermark and no usage limits.

Is my information stored or shared?

No. Calculations run in your browser and nothing is sent to a server.

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← All TNG tools · A free tool by TNG · The Noor Group · tngofficial.com · Your files stay on your device.