Tools - Calculators & Redaction
EU & Global VAT / GST Reverse Calculator
Add or strip VAT/GST from gross or net invoice amounts across all 27 EU member states and UK.
Calculate tax from a net or gross amount
Calculation only. Confirm the correct rate and treatment for your jurisdiction.
What this page does
Add or strip VAT/GST from gross or net invoice amounts across all 27 EU member states and UK.
File handling
The browser MVP reads supported structured files locally and leaves other formats as previews.
Validation limits
Basic field checks are not legal, tax, or EN 16931 certification. Verify final documents with the recipient’s required validator.
Frequently asked questions
Does EU & Global VAT / GST Reverse Calculator send my invoice to a server?
The available MVP interaction runs in your browser. Your selected file is not uploaded by this page.
Does this page certify an invoice as compliant?
No. The MVP can show basic fields and local checks, but it does not replace official XSD, Schematron, KoSIT, Peppol, or tax-authority validation.