Security
December 28, 2025
5 min read

Digital Signatures vs. Electronic Signatures: What's the Difference?

Understand the difference between digital and electronic signatures, and when to use each for your documents.

PDFflow Team

Author

Digital Signatures vs. Electronic Signatures: What's the Difference?

In the digital age, signing documents electronically has become standard practice. But there's often confusion between "electronic signatures" and "digital signatures." Let's clear it up.

Electronic Signatures: The Basics

An electronic signature (e-signature) is any electronic symbol or process attached to a document to indicate agreement or approval.

Examples of Electronic Signatures

  • Typing your name in a signature field
  • Drawing your signature with a mouse or touchscreen
  • Uploading an image of your handwritten signature
  • Clicking an "I Accept" button
  • Using a stylus on a tablet

Legal Validity

E-signatures are legally binding in most countries:

  • US: ESIGN Act and UETA
  • EU: eIDAS Regulation
  • UK: Electronic Communications Act
  • Many others: Similar legislation worldwide

Digital Signatures: A Step Further

A digital signature is a specific type of electronic signature that uses cryptographic technology to provide additional security.

How Digital Signatures Work

  1. Certificate-based: Uses a digital certificate from a trusted authority
  2. Encrypted: Creates a unique encrypted fingerprint of the document
  3. Tamper-evident: Any changes invalidate the signature
  4. Identity verification: Confirms the signer's identity

When to Use Digital Signatures

  • High-value contracts
  • Legal documents requiring authentication
  • Government submissions
  • Healthcare and financial documents
  • Any document where tampering is a concern

Comparison Table

| Feature | Electronic Signature | Digital Signature | |---------|---------------------|-------------------| | Legal validity | Yes | Yes | | Identity verification | Basic | Strong | | Tamper detection | No | Yes | | Requires certificate | No | Yes | | Ease of use | Very easy | More complex | | Cost | Usually free | May require purchase |

Using PDFflow's Sign Tool

Our Sign PDF tool supports electronic signatures:

Methods Available

  1. Draw: Use your mouse or finger to draw your signature
  2. Type: Type your name and choose a signature font
  3. Upload: Use an image of your existing signature

When Our Tool is Perfect For

  • Internal documents
  • Personal agreements
  • Non-regulated contracts
  • Quick approvals
  • Creative sign-offs

Choosing the Right Signature Type

Use Electronic Signatures When:

  • Speed is important
  • Documents are low to medium risk
  • Both parties accept e-signatures
  • Regulations don't require digital signatures

Use Digital Signatures When:

  • High-security is required
  • Documents are legally sensitive
  • Regulatory compliance demands them
  • You need to prove document integrity

Best Practices for Signing PDFs

  1. Read before signing: Always review the full document
  2. Use secure methods: Avoid public computers
  3. Keep records: Save signed copies
  4. Verify recipient: Ensure you're sending to the right person
  5. Check requirements: Some documents need specific signature types

The Future of Document Signing

The trend is toward:

  • Increased acceptance of e-signatures
  • Better mobile signing experiences
  • Blockchain-based verification
  • AI-powered fraud detection
  • Seamless integration with workflows

Conclusion

Both electronic and digital signatures have their place. Understanding the difference helps you choose the right method for each document.

Ready to sign? Try our Sign PDF tool for quick, easy electronic signatures!

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