Add signature to PDF online for free. Draw, type, or upload your signature image and place it anywhere on the document. Create legally-binding electronic signatures without printing. No account required.
Sign PDF is one of 105 free file tools on PrivaTools. All processing happens on our servers with zero-knowledge architecture — your files are never stored, never read, and never shared with third parties. No account required.
PrivaTools creates a visual signature embedded in the PDF. Whether it is legally binding depends on your jurisdiction. For most informal agreements and internal documents, it is widely accepted.
Yes. After creating your signature, you can place it on any page by navigating through the document preview.
No. Your signature exists only in your browser session. The server never stores signatures — it only applies them to the PDF during processing, then deletes the file within minutes.