Can you legally sign a PDF without printing it? Yes — but understanding the difference between signature types matters.
E-Signature vs Digital Signature
E-signature: Any electronic mark indicating agreement (typed name, drawn signature, checkbox). Simple, widely accepted.
Digital signature: Uses cryptographic certificates to verify identity AND ensure the document hasn't been modified. More secure, required for some legal/government documents.
Legal Validity
In most countries, e-signatures on PDFs are legally binding for standard business contracts. The EU (eIDAS), US (ESIGN Act), and UK all recognize electronic signatures. Exceptions: wills, real estate deeds, and certain government filings may still require wet signatures.
Need to sign a PDF quickly? Our Sign PDF tool lets you draw, type, or upload your signature. For password protection after signing, use Protect PDF.