| What it does | Free calculators for marketers, affiliates and store owners
| 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
| 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 | - ROAS calculator with break-even analysis
- CPA and CPM calculator for ad costs
- LTV and CAC calculators for e-commerce
- Affiliate earnings and EPC calculator
- UTM link builder for GA4 tracking
- A/B test significance and sample size calculator
- Shopify profit calculator
- YouTube earnings estimator
- Affiliate Link Checker Chrome extension
| - 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
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| What makes it different | - Runs entirely in browser with no signup required
- Private calculations that never leave your device
- Every tool explains formulas, benchmarks and common mistakes
- Completely free with no premium plans
| - 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) | Not checked yet ● no change since last check | 4 ● no change since last check |
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| Trust Flow (Majestic) | 1 | 3 |
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| Citation Flow (Majestic) | 17 | 35 |
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| Referring domains (Majestic) | 2 | 6 |
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