| What it does | Free browser tools for PDF, image and UK money tasks that process files locally
| Break-even ROAS calculator with tariff-aware landed cost for ecommerce
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| Stage | Not given
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| Founded | Not given
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| Based in | GB
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| Pricing model | Free
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| Pricing | Not given
| Free: all eleven calculators unlimited, no account required. Pro: $19 per month or $190 per year (two months free).
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| Key features | - PDF merging and splitting
- Image conversion between HEIC, JPEG, PNG and WebP
- UK take-home pay calculator with income tax and National Insurance
- Stamp duty calculator for England and Northern Ireland
- Size converters for clothing, shoes, bra and ring sizes
- VAT, mortgage and loan calculators
- All tools run locally in the browser without uploading files
| - Tariff-aware break-even ROAS calculation including 2026 US import duties
- Scenario modeling for price and tariff rate changes
- Tariff alerts when policy rates change
- CSV export of SKU profiles
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| What makes it different | - All file processing and calculations run in your browser with no uploads to servers
- UK tax calculators use official rates from HMRC and GOV.UK reviewed after each Budget
- Covers Scottish and Welsh tax rules separately with clear documentation
- No accounts or contact forms required
| - Free tool with no signup required; all calculators stay free forever
- Tariff calculations verified and dated; rates sourced from official sources with HTS code accuracy
- Accounts for all hidden costs that platform ROAS does not include
- Flat monthly pricing with no per-order fees that scale with revenue
- Formulas fully transparent and printed in full; no proprietary model withheld
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 2 ▲ +2 (up) since last check | 1 ● no change since last check |
| Trust Flow (Majestic) | 0 | 2 |
| Citation Flow (Majestic) | 17 | 24 |
| Referring domains (Majestic) | 3 | 9 |