Sign PDF

Electronically sign PDF documents online free. Draw, type, or upload your signature. No signup, no upload. Legally valid e-signatures.

How to Use Sign PDF

  1. Upload your PDF document by dragging it into the signing zone.
  2. Draw, type, or upload your signature image.
  3. Position the signature on the desired page and resize as needed.
  4. Click Sign PDF and download your signed document.

Why Choose Krynn Tools for Sign PDF?

  • Multiple Signature Styles: Draw your signature with a mouse or finger, type it in a handwriting font, or upload an image of your real signature.
  • Flexible Placement: Place your signature anywhere on the page — resize and reposition it with drag-and-drop.
  • Legally Recognized: Electronic signatures added with our tool are legally valid under ESIGN and eIDAS regulations.
  • Zero Upload Risk: Your documents are signed entirely in-browser. No contracts or sensitive documents are uploaded anywhere.

Frequently Asked Questions

Are electronic signatures legally binding?

Yes. Under the ESIGN Act (US) and eIDAS regulation (EU), electronic signatures are legally valid for most documents. Consult a lawyer for specific legal requirements in your jurisdiction.

Can I sign a PDF on my phone?

Yes. The signing tool is fully mobile-compatible. You can draw your signature with your finger on a touchscreen device.

Can I add multiple signatures to different pages?

Yes. You can place a signature on any page and add additional signatures to other pages as needed.

Is my signed document secure?

Your original PDF and signature are processed locally in your browser. No data is transmitted to external servers.