Privacy-first PDF suite
Upload a PDF, sketch your signature, drag it where it belongs, and export. When you use this tool, processing runs locally in your browser — we don't upload your file to our servers for the signing step.
Runs in your browser — your file stays on your device for this step.
Upload a document, draw your signature, position it on the preview, then place it on the page.
Draw your signature
Choose your PDF, use the signature pad, then tap Place Signature. You'll get a download page with your signed file. This fits searches like sign pdf free and sign pdf online no watermark — PDFZen does not add a branded stamp to your document.