PDF Sign

Add digital signatures to PDF documents

All processing happens in your browser. No data is uploaded.

Offline Ready

File Input

File Output

Add Signature to PDF

Draw or create a signature and place it on a PDF document.

🔒All processing happens in your browser. No data is uploaded.

Draw Signature

Stroke Color

#000000

Stroke Width

How to Use

Upload a PDF, draw your signature in the canvas above, then click "Add Signature to PDF". Adjust the placement position and scale as needed. All processing happens locally in your browser.