Free tools for accountants and SMEs
Small, practical tools for the everyday checks of Portuguese invoicing: open a SAF-T file, read an invoice QR code, validate a NIF, work out VAT or withholding, and keep the tax deadlines in your calendar.
Everything runs in your browser. Files and numbers are never uploaded to our servers.
SAF-T file viewer
Open a SAF-T (PT) billing file and see totals by VAT rate, numbering gaps, invalid NIFs and documents without ATCUD.
Invoice QR code reader
Read the QR code of a Portuguese invoice: issuer NIF, ATCUD, VAT and totals, with automatic checks.
Portuguese tax deadlines
The statutory deadlines for invoice communication, VAT, Modelo 22 and IES, ready to add to your calendar.
NIF validator
Check whether a Portuguese tax number (NIF) is valid: prefix and check digit.
VAT calculator
Add or remove Portuguese VAT at 23%, 13% or 6%, rounded to the cent.
Withholding tax calculator
Work out the IRS withheld on a service invoice: 23%, 11.5%, 16.5% or 20%.