| What it does | Free online calculators, converters, and developer tools that run in your browser
| Free home and garden material calculators that run in your browser
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| Stage | Startup
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| Founded | 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 | - 68 free tools across finance, development, and utilities
- Loan repayment and affordability calculators with total interest calculations
- Currency converter with 30 world currencies and live exchange rates
- JSON formatter, validator, and minifier with syntax highlighting
- Date and time tools including age calculator and timezone converter
- Runs entirely in browser with no server uploads
- Works offline after initial page load
| - Landscape calculators for gravel, topsoil, sand, pavers and raised beds
- Grass seed and fertilizer calculators with nitrogen targets and N-P-K analysis
- Fence, deck, roof pitch, paint and retaining wall calculators
- US and metric units with bag counts and product weights
- Formulas and sources listed on every tool page
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| What makes it different | - 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
| - All math runs in your browser with no data uploaded to any server
- Formulas and sources are fully documented and transparent
- No signup required to use any calculator
- Sources verified against manufacturer yields and university extension guidance
- Completely free with no paid plans or premium features
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 7 ▲ +1 (up) since last check | 3 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 35 | 0 |
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| Referring domains (Majestic) | 6 | 0 |
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