How to Sign a PDF Online: Add Your Signature Without Printing
Why Sign PDFs Electronically?
The print-sign-scan workflow is obsolete. Every year, billions of documents are printed solely to add a handwritten signature, then scanned back to digital format. This wastes:
Electronic signatures eliminate all of these problems. You add your signature directly to the digital PDF, keeping the document sharp, compact, and instantly shareable.
Types of Electronic Signatures
1. Text-Based Signatures (Simplest)
Your name is typed in a distinctive font (like Courier or a script font) and placed on the document. This is what our tool provides — fast, clean, and widely accepted for most business documents.
Best for : Internal documents, acknowledgments, routine approvals, non-legal correspondence
2. Drawn Signatures
You draw your signature using a mouse, trackpad, or touchscreen. The drawn image is placed on the PDF.
Best for : Documents where a handwriting-style signature is preferred
3. Digital Certificates
A cryptographic certificate is attached to the document, providing:
Best for : Legal contracts, regulated industries, government filings
How to Sign a PDF with PDFTools
Our tool makes text-based signing instant:
The signature includes your typed name with an underline and the current date — everything needed for a standard business signature block.
Positioning Your Signature
Our tool uses PDF coordinates where (0,0) is the bottom-left corner:
A standard A4 page is 595 points wide and 842 points tall. Adjust values to place your signature exactly where the document's signature line is.
Are Electronic Signatures Legally Valid?
In most countries, yes. Key legislation includes:
Exceptions: Some documents still require "wet ink" (physical) signatures in certain jurisdictions:
Best Practices for Electronic Signatures
Always Include the Date
A signature without a date is less useful for record-keeping. Our tool automatically adds the date.
Use a Consistent Signature Style
For professional consistency, always use the same name format (e.g., always "John A. Smith" rather than sometimes "J. Smith" or "John Smith").
Keep a Signed Copy
After signing, save the PDF immediately. If you need to prove you signed, you'll need the signed version.
Verify Before Signing
Read the entire document before signing. Electronic signatures are just as binding as handwritten ones.
Signing Multiple Documents
If you need to sign a batch of documents:
Conclusion
Electronic PDF signing is faster, greener, and legally valid for most business use cases. Our free tool handles the most common scenario — adding a professional text signature with date to any PDF — in under 30 seconds.