| What it does | Compare fees across 8 marketplaces to see what you'll actually keep when you sell
| Quick, free converters and calculators for everyday use with no sign-up required
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| Stage | Not given
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| Founded | Not given
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| Based in | US
| US
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Compare fees across 8 marketplaces at once
- Includes shipping costs and sales tax in calculations
- US state-by-state sales tax rates for all 50 states
- Fee rates checked against official platform pages in October 2026
- Shows what you actually keep after every fee
- Works on mobile while you list items
- Individual platform fee calculators
- Platform comparison tools
| - Unit converters for length, weight and distance
- Cooking and baking converters including cups to grams and oven temperature
- Health calculators for BMI, body fat, calorie and pregnancy
- Math calculators including scientific, fractions and geometry
- Date and time calculators for age, birthdays and time zones
- Everyday calculators for GPA, concrete, flooring and home projects
- Calculations performed entirely in browser with no data transmission
- Internationally agreed unit conversion definitions
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| What makes it different | - Accounts for how each platform charges fees on shipping and sales tax differently
- Shows exact amounts you keep, not just percentages
- Fees verified against platforms' official documentation
| - No sign-up or clutter required
- Full transparency showing how calculations are derived
- Every calculator tested against worked examples before launch
- Privacy-first with calculations done entirely in browser
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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 | 3 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 0 |
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| Citation Flow (Majestic) | 0 | 11 |
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| Referring domains (Majestic) | 0 | 3 |
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