Digital Signatures can be used to verify a document’s origin and to make sure it hasn’t been tampered with after signing.
As a developer, you can add additional metadata — like a timestamp or an IP address — to a digital signature for even better security.
A digital signature on a PDF document is reliable proof of the document’s origin.
An encrypted hash is used to verify that the document hasn’t been tampered with.
Our digital signatures are created with additional biometric properties for added safety.
PSPDFKit supports both hand-drawn signatures and encrypted, digital certificate-based signatures.
Clone our public examples catalog from GitHub.