Free tools
Free accounting tools
Calculators and checkers for the paperwork around invoices and tax. Each one works without an account and without JavaScript where it can, and each has a free API that needs no key.
Tools
- Invoice generatorMake a PDF invoice with the details your country requires: US, Canada, UK, Germany, France, Netherlands or Australia.
- E-invoicing mandatesWhich countries require e-invoices, from when and in which formats, each date linked to its official source.
- GST/HST calculatorAdd or remove Canadian GST, HST, PST or QST for any province or territory.
- Mileage calculatorBusiness mileage at the 2026 IRS, CRA and HMRC rates for the US, Canada and the UK.
- VAT calculatorAdd or remove VAT, or reverse it from a gross price, at the current rate for the UK, any EU country, Switzerland or Norway.
- VAT rates by countryStandard and reduced VAT rates for 30 European countries, each with its official source and check date.
- VAT checkerCheck an EU VAT number against VIES, or a UK one against its HMRC check digits.
For developers and AI agents: the free tools API.