Once done, these signature formats can be attached or pasted to documents as valid proofs. PDF signature software solutions are developed for capturing digital signatures through cryptographic applications. Online digital signature software can be easily used in place of manual handwritten initials and ensure complete security against frauds. A digital signature is considered valid for contracts, tax forms, invoices, transactions, legal and corporate processes.
Digital signature software is used for authenticating digital texts, files, documents, and messages.