AutoFirma

AutoFirma is a digital signature application developed by the Spanish government for creating and validating electronic signatures on documents. It's primarily used by Spanish citizens and businesses to sign official documents, tax filings, and legal paperwork using digital certificates. The app integrates with Spain's national digital identity system and supports various signature formats including XAdES, PAdES, and CAdES. AutoFirma is essential for interacting with Spanish public administration systems and is widely used across government agencies, legal firms, and businesses operating in Spain.