Sign PDFs Online with pdfAssistant
Oct 23, 2025

New! Digitally Sign PDFs with AI-Powered Security and Simplicity

Digitally sign PDFs securely with AI-powered precision and compliance.

We’re excited to announce a new capability in pdfAssistant: you can now digitally sign PDFs securely and confidently through a simple conversational workflow. No complex software, no technical setup—just AI-powered precision for fast, compliant document signing.

Why Digitally Signing PDFs Matters

In today’s digital world, verifying authenticity and preventing tampering are critical. A digital signature does more than add a name—it cryptographically binds your identity to the document and confirms it hasn’t been altered.

From contracts and tax forms to medical records and certificates, secure signing ensures authenticity, integrity, and compliance with regulations like eIDAS, HIPAA, SOX, and GDPR.

Key Benefits

  • AI-Powered Simplicity – Describe what you need; pdfAssistant handles the signing process.
  • Cryptographically Secure – Apply verified digital signatures that protect authenticity and detect tampering.
  • Custom Visual Signatures – Add typed names, handwritten images, or company logos with full styling control.
  • Comprehensive Certificate Support – Use .pfx, .p12, .pem, or .der formats—including password-protected files.
  • Workflow & Batch Signing – Automate approvals and sign hundreds of PDFs at once.
  • Trusted Technology - Built on Adobe® PDF Library™, powered by the pdfRest Sign PDF API.

Transforming Workflows Across Industries

The Sign PDF capability helps professionals across sectors streamline approvals while maintaining trust and compliance:

  • Legal – Certify contracts, affidavits, and filings with verifiable signatures.
  • FInance – Sign reports, tax forms, and disclosures for SOX/GDPR compliance.
  • Business & HR – Digitally approve NDAs, vendor agreements, and onboarding forms.
  • Healthcare – Apply authorized signatures to patient records and prescriptions.
  • Government & Education - Authenticate certificates, transcripts, and official documents.

Available Now

The Sign PDF capability is now live in pdfAssistant! Protect integrity, verify authenticity, and accelerate document approvals with AI-powered signing.

Learn more: How to Sign a PDF Online For best practices, see: Digitally Sign PDFs with AI: Quick Tips

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