PDF Sign & Watermark
PDFAdd a signature image, diagonal watermark or page numbers to a PDF.
Open PDF Sign & Watermark →How to use
- Choose a PDF and select Signature, Watermark or Numbers.
- For a signature, choose a PNG/JPG and target page; for a watermark, enter text and opacity.
- Apply the change and download the new PDF.
Features
- Signature-image placement
- Text watermark across all pages
- Centered footer page numbering
- No document upload
Good to know
- The signature tool places the image near the bottom-right of the selected page; it is not a cryptographic digital signature.
🔒 Private by design — PDF Sign & Watermark runs entirely in your browser. Your files and text never leave your device.