Intermittent Fasting Timer

IF window countdown for popular schedules

14:00:00

Presets

Results

Export result

Educational timing aid only — not medical advice.

How to use

Follow these steps to get a result

  1. Pick a preset or adjust with + / −.

  2. Press Start (Space) and optionally enter full screen (F).

  3. Reset with R when you want to start over.

Features

What this tool includes

  • Preset lengths

  • Full-screen mode

  • Keyboard shortcuts

  • Alarm on finish

  • Export result summary (Copy / CSV / PDF)

FAQ

Common questions about this tool

Yes — timing is based on wall-clock time so background tabs stay accurate.

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