How to Sign a PDF: 3 Secure Ways to Add Signatures in Foxit PDF Editor+

By Karolin, 12 February, 2026
English
Purple and orange Foxit tutorial thumbnail with the title ‘3 Ways to Sign a PDF’ in large white text, a ‘PDF Editor+ Tutorial Series’ label with a fox mascot in the top left, the Foxit logo in the bottom left, and a person on the right holding a closed laptop against a gradient purple background with dotted orange accents.
Summary
Learn how to sign a PDF using three flexible methods in Foxit PDF Editor+: Quick PDF Sign, certificate-based digital signatures, and Foxit eSign. Whether you need fast internal approvals or secure, verified signing for contracts, Foxit gives you complete control over your document workflow.

Sign Smarter: From Quick Approvals to Secure, Verified Digital Signatures

Try Foxit PDF Editor+ for free!

Signing documents should move business forward—not slow it down. In this step-by-step tutorial, you’ll learn how to sign a PDF in Foxit PDF Editor using three powerful methods designed for different levels of security and compliance.

First, discover how to use Quick PDF Sign to add an ink or typed signature for fast internal approvals like PTO requests or expense forms. Then, explore how to create and apply a certificate-based digital signature, complete with a Digital ID, for authenticated and tamper-evident document protection. Finally, see how Foxit eSign—included with Foxit PDF Editor+—enables secure self-signing and signature management within a streamlined electronic signature workflow.

You’ll also learn how password protection enhances signature security and why editing tools are automatically disabled after applying a digital signature—ensuring document integrity and compliance.

Foxit empowers organizations to modernize document workflows with built-in security, intelligent tools, and flexible signing options—all within one unified document platform. Instead of juggling disconnected tools for editing, signing, and tracking agreements, your team can manage everything in a secure, cost-effective ecosystem.

Whether you’re an IT leader strengthening governance or a knowledge worker finalizing agreements, Foxit helps you:

  • Accelerate approval cycles
  • Strengthen document security and compliance
  • Reduce manual signing tasks
  • Maintain control over sensitive business documents

When documents are easier to sign and more secure by design, teams move faster and work with confidence.

Learn more about Foxit PDF Editor+.

Get a quote for volume licenses.

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