| What it does | Free tool to plan your fasting schedule and eating windows with personalized nutrition targets
| Free calculators that run in your browser, with the formula next to the result
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Multiple fasting protocols including 16:8, 14:10, 18:6, 20:4, and OMAD
- Custom fasting hours option
- Personalized daily calorie goals using Mifflin-St Jeor equation
- Daily protein targets based on ISSN standards
- Metabolic milestones tracking ketone switch and autophagy
- Visual timeline of fasting schedule
- Export schedule as image or text
- No signup required
- Related tools including Intermittent Fasting Timer and Template
| - Real-time calculation results
- Formulas shown beside results
- Step-by-step explanations
- Browser-based with no installation required
- Expert-written blog guides
- Mobile-friendly design
- Keyboard navigation support
- 70+ calculators across 18 categories
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| What makes it different | - No signup required to use calculators and export plans
- Personalized targets based on peer-reviewed research formulas
- Tracks metabolic phases like ketone switch and autophagy timing
- Plain-English educational content alongside tools
- Treats outputs as planning estimates with clear safety disclaimers
| - No account sign-up or paywall required
- Calculations run instantly in your browser with no waiting
- Data stays on your device and is never stored or sold
- Every formula verified against trusted academic and industry sources
- Free forever with no premium tier
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 16 ▲ +1 (up) since last check | 6 ● no change since last check |
| Trust Flow (Majestic) | 20 | 2 |
| Citation Flow (Majestic) | 23 | 16 |
| Referring domains (Majestic) | 83 | 31 |