Free tools for global e-invoicing and tax
Calculators, validators and lookups for ZATCA, the UAE FTA, Malaysia MyInvois, Germany, France and India. Everything runs in your browser — free, instant, and private.
VAT & Tax Calculator
Add, remove or reverse-calculate VAT, GST or SST for KSA, UAE, Germany, France, Malaysia and India — with the right tax category code.
Use the tool →VAT Number Validator
Check EU VAT, KSA TIN, UAE TRN, Malaysia TIN and India GSTIN format and checksum in one paste.
Use the tool →E-Invoice Readiness Checker
Score your ZATCA, MyInvois, XRechnung, Factur-X or Peppol readiness across five dimensions in three minutes.
Use the tool →Invoice Line Item Builder
Build compliant invoice line items with the correct tax code and rate per country, then copy or export.
Use the tool →Tax Code Lookup
Find the right HSN, SAC, UNSPSC or HS/CN classification code and its tax rate for any product or service.
Use the tool →One integration, every mandate
These free tools get the math and the codes right. Complyance takes the same logic and generates the cleared, submitted e-invoice automatically — across ZATCA, Peppol, MyInvois, XRechnung and Factur-X.