FastWindowTimer
Start a fasting timer in one tap
FastWindowTimer launched on June 29, 2026 with 2 votes.
What it does
FastWindowTimer is a simple intermittent fasting timer for 16:8, 18:6, OMAD, and custom fasting windows. It works in the browser, needs no account, no app download, and can work offline. Built for people who want to track a fast without turning it into another complicated health app.
Start a free fasting timer in one tap. Track 16:8, 18:6, 20:4, OMAD and fasting phases. No app, no account, works offline.
Start a 16:8 timer and track elapsed time and your planned eating window. No download or sign-up; history stays in this browser. Phase labels are educational, not body measurements. Free, no account, no app. Your timer and history stay in this browser. Back up, restore, or erase the timer data stored in this browser. Nothing is sent to a server. Planning estimates only — see methodology for phase sources. Not medical advice. Choose a schedule, start the timer, and track elapsed and remaining time. The phase timeline uses illustrative hour markers; a clock cannot measure your insulin, ketones or autophagy. Compare eating windows with your actual meal times. A schedule label does not…from fastwindowtimer.com
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