FirmaSAT

FirmaSAT enables you to analyze and sign CFDi digital tax vouchers (Comprobantes Fiscal Digitales) as specified by the Servicio de Administración Tributaria (SAT) in Mexico.

New New Version 10.70.42: With support for the new Supplementary Concept for the Billing of Hydrocarbons and Petroleum Products (hidrocarburospetroliferos).
Why do I have to pay a setup fee?
How to create a Cancelación CFDI versión 4.0
I get an error when I try to sign an XML document. How do I fix this?
Using diQRcode to create a QR code for a CFDi v4.0 document.

Download

10.70.42 Trial for Windows (.EXE install)