| What it does | Free online calculators, converters, and developer tools 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
| US
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| Pricing model | Free
| Free
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| Pricing | 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
| - Board feet calculation for hardwood pricing
- Stair dimension and stringer layout calculation
- Deck board and baluster spacing calculator
- IRC and DCA 6 code compliance checks
- Printable shopping lists
- Rafter length and roof pitch calculation
- Cut list optimizer for stock length packing
- Detailed diagrams for layout visualization
- Log scale and board foot conversion tools
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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
| - Results stay on your device with no account or cloud storage required
- Transparent formula methodology with hand-checked examples
- Free to use with no sign-up or premium tiers
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ● no change since last check | 22 ▲ +22 (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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