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Nitro PDF Sign




Add Electronic and Digital Signatures to PDF Files

Whether you need to quickly eSign a PDF, apply a more specialized digital signature, or request a signature from a customer or colleague, Nitro Pro can meet any signing need.

It’s PDF productivity and eSigning, all in one place.

Electronically sign PDFs

QuickSignaccelerates your daily tasks by giving you the power to sign and return PDFs in seconds—without leaving Nitro Pro.

Add valid digital signatures

Acting much like a notary or third-party witness, a digital signature verifies a signer’s identity using their unique digital certificate. Nitro Pro allows you to add your own digital signature, which then encrypts and locks your document for a higher level of security and compliance.

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