Digital Signature vs Electronic Signature

The Short Answer

Electronic signature = any digital indication of agreement. Your drawn name, typed initials, a checkbox — these are all electronic signatures. Simple, easy, widely accepted.

Digital signature = a specific cryptographic technology that ties your identity to the document using a mathematical key pair and verifies the document wasn't changed after signing. More secure and formal.

Side-by-Side Comparison

Feature	Electronic Signature	Digital Signature
Technology	Visual mark (image, drawing, text)	Cryptographic key pair (PKI)
Identity verification	No — relies on trust	Yes — verified by certificate
Tamper detection	No	Yes — any change invalidates it
Ease of use	Very easy — no setup	Requires certificate procurement
Cost	Free (PDF.it)	$50–$300+/year for certificate
Best for	Contracts, NDAs, leases, offers	Government filings, finance, legal

When Do You Need a Digital Signature?

For 95% of people in everyday business, an electronic signature is all you need. But certain scenarios require the stronger guarantees of a digital signature:

•Tax filings with government agencies that require certified digital signatures
•High-value financial contracts where non-repudiation is required
•Healthcare documents governed by HIPAA requiring audit trails
•EU qualified electronic signatures (QES) under eIDAS — the highest legal tier

Legal Standing

Both types are legal in most countries, but courts may weigh them differently in a dispute:

✓Electronic signatures are valid under the US ESIGN Act (2000) and UETA, the EU eIDAS Regulation, UK Electronic Communications Act, and similar laws in Canada, Australia, and most others.
✓Digital signatures provide stronger legal evidence because they prove identity and integrity — making them harder to dispute in court.

For everyday agreements, use an electronic signature. When in doubt about specific legal requirements, consult a lawyer.

Frequently Asked Questions

What is the difference between a digital signature and an electronic signature?

An electronic signature is any digital representation of your agreement. A digital signature is a specific type that uses cryptographic keys to verify the signer's identity and detect if the document was altered after signing.

Which is more secure — digital or electronic?

Digital signatures are more secure because they use PKI cryptography. If even one character changes after signing, the signature becomes invalid.

Do I need a digital signature or electronic signature for everyday contracts?

For most everyday business contracts, NDAs, offer letters, and leases, an electronic signature is legally sufficient and much easier to use.

Are digital signatures the same as PDF passwords or encryption?

No. A password protects who can open or edit a PDF. Encryption scrambles the file. A digital signature verifies the signer's identity and detects changes. These are three different features.

Does PDF.it support digital signatures?

PDF.it's eSign tool creates electronic signatures (drawn, typed, or uploaded). For cryptographic digital signatures with PKI certificates, you'll need a dedicated certificate provider.