Digital Signatures, Explained

A digital signature is a cryptographic proof — not just an image of your name. It binds your identity to the document using a certificate, so any later change is detected instantly.

Sign a document digitally

Digital Signatures, Explained

A digital signature is a cryptographic proof — not just an image of your name. It binds your identity to the document using a certificate, so any later change is detected instantly.

Sign a document digitally

Electronic vs digital signature

Electronic signature — intent to sign captured electronically. Legally valid in most cases.
Digital signature — electronic signature plus a PKI certificate. Strongest evidentiary weight.

When you need a digital signature

Regulated industries (finance, healthcare, government)
High-value contracts where non-repudiation matters
Cross-border transactions requiring qualified signatures

Related e-signature resources

Electronic SignatureCreate legally binding signatures online. Sign PDF OnlineUpload, fill, and sign PDFs fast. Request SignaturesSend documents and track completion. Free Electronic SignatureStart with a free TextoraSign account. Document Signing SoftwareManage contracts, forms, and agreements. PricingSimple plans for individuals and teams.