E-sign PDF File adds electronic signature and modify its metadata for PDF document. A digital signature is an electronic signature that can be used to authenticate the identity of the sender of a message. It can also be used with any kind of message. Browse to the PDF source file, the destination PDF file and the certificate file. Add signature information and give a password. Click the Sign button. E-sign PDF File is a free tool offered as a convenient way to try digitally signing PDF documents.

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