# Free accounting tools

> Calculators and checkers from SuperBooks. No account needed; every tool has a free no-key API.

Canonical page: https://superbooks.io/tools/

- [Invoice generator](https://superbooks.io/tools/invoice-generator/): Make a PDF invoice with the details your country requires: US, Canada, UK, Germany, France, Netherlands or Australia. API: https://app.superbooks.io/api/tools/invoice.pdf
- [E-invoicing mandates](https://superbooks.io/tools/e-invoicing-mandates/): Which countries require e-invoices, from when and in which formats, each date linked to its official source. API: https://app.superbooks.io/api/tools/e-invoicing-mandates
- [GST/HST calculator](https://superbooks.io/tools/gst-hst-calculator/): Add or remove Canadian GST, HST, PST or QST for any province or territory. API: https://app.superbooks.io/api/tools/gst-hst-calculator
- [Mileage calculator](https://superbooks.io/tools/mileage-calculator/): Business mileage at the 2026 IRS, CRA and HMRC rates for the US, Canada and the UK. API: https://app.superbooks.io/api/tools/mileage
- [VAT calculator](https://superbooks.io/tools/vat-calculator/): Add or remove VAT, or reverse it from a gross price, at the current rate for the UK, any EU country, Switzerland or Norway. API: https://app.superbooks.io/api/tools/vat-calculator
- [VAT rates by country](https://superbooks.io/tools/vat-calculator/#vat-rates/): Standard and reduced VAT rates for 30 European countries, each with its official source and check date. API: https://app.superbooks.io/api/tools/vat-rates
- [VAT checker](https://superbooks.io/tools/vat-checker/): Check an EU VAT number against VIES, or a UK one against its HMRC check digits. API: https://app.superbooks.io/api/tools/vat-check

API reference: https://superbooks.io/tools/developers/