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Apply a standards-compliant PAdES digital signature with an optional trusted RFC-3161 timestamp, for long-term verifiable validity.
Server-side signing
Your PDF and certificate are processed on our server to produce a PAdES-compliant signature, then discarded. For fully in-browser signing, use the Digital Signature tool instead.
Click to select a PDF or drag and drop
PDF document to sign
Upload certificate (.pfx, .p12)
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