| What it does | Free tool to plan your fasting schedule and eating windows with personalized nutrition targets
| Free online calculators, converters, and developer tools that run in your browser
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| Stage | Not given
| Startup
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| Founded | Not given
| 2025
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| 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
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- Runs entirely in browser with no server uploads
- Works offline after initial page load
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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 or sign-up required
- Runs entirely client-side in your browser with no data sent to servers
- All tools are completely free with no usage limits
- Works offline after initial page load
- Privacy-first approach with no data collection or transmission
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 16 ▲ +1 (up) since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 20 | 3 |
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| Citation Flow (Majestic) | 23 | 35 |
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| Referring domains (Majestic) | 83 | 6 |
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Intermittent Fasting Calculator
PlayTools