| What it does | Free online calculators, converters, and developer tools that run in your browser
| Free ecommerce profit calculators for online sellers
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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
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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
| - Net profit margin calculation per order
- Marketplace and payment fee auditing
- Shipping, packaging, storage and labor cost tracking
- Return and defect risk reserves
- Break-even price and maximum ad spend calculation
- Monthly profit forecasting
- Platform-specific calculators for Amazon FBA, Shopify, TikTok Shop, Etsy, and eBay
- Landed cost consolidation for import overheads
- Client-side processing with no data tracking
- Real-time reactive calculation updates
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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
| - Instant reactive calculations as you type
- Pre-loaded platform presets for global multi-currency operations
- Comprehensive suite covering multiple marketplaces and payment processors
- Automated rate syncing with financial institutions
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 3 ▼ −1 (down) since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 3 | 0 |
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| Citation Flow (Majestic) | 35 | 9 |
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| Referring domains (Majestic) | 6 | 1 |
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PlayTools
ProfitsCalc