How to use this tool
Choose a PDF, generate a temporary QR code, sign on your phone, place the signature on the PDF preview and download.
Sign PDF Online
Draw a signature on your phone via QR code, place it on a PDF, and download the signed file. No account required.
Privacy and compatibility
Your PDF is processed locally in your browser. Only your handwritten signature image is temporarily transferred through our server, and deleted when retrieved or expired. This adds a visible handwritten signature, not a cryptographic digital signature.