Sign PDF
Sign your documents digitally
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What is Sign PDF and what is it for?
Sign PDF lets you add your handwritten signature to any PDF document directly from the browser. Draw your signature with your finger on mobile or with the mouse on desktop, place it exactly where you need it in the document, and download the signed PDF ready to send.
This tool is perfect for signing contracts, forms, quotes or any document that requires your signature without printing it. No need to install Adobe Reader or any other program. It is free, private and works instantly.
How to sign a PDF step by step
- Upload the PDF you need to sign.
- Draw your signature in the signature panel using your finger or mouse.
- Drag the signature to the exact location in the document where you want to place it.
- Download the PDF with your signature embedded.
Frequently asked questions about signing PDFs
Does the signature have legal validity?+
This tool generates a digital handwritten signature. For legally certified documents it is recommended to use an official digital certificate. For personal use, private contracts or internal documents, this signature is perfectly valid.
Can I sign on mobile?+
Yes, you can draw your signature with your finger directly on the touchscreen of your mobile or tablet. The result is the same as using a mouse.
Do I need to install any application?+
No, you do not need to install anything. The tool works directly in the browser, with no plugins or additional extensions required.
Does the signed PDF include a watermark?+
No. The downloaded PDF contains only your signature, with no watermark or indication that this tool was used.
Contacta hola@ayudantedigital.es o por WhatsApp desde ayudantedigital.es