PDF tool
Sign a PDF by touch
Draw your signature, place it on a page, and download the signed copy directly.
How to sign a PDF
- Choose one PDF file.
- Draw by touch or upload a signature image.
- Choose the page, place the signature, and download the signed copy.
Limits and output
- Drag the signature or tap the page to position it, then use the size control.
- The signature is added as a visible mark on the selected page.
- This tool does not issue a digital certificate, audit trail, or multi-party signing request.
Signature privacy
The PDF and signature drawing remain on your device throughout the operation, and the browser creates the download directly.
Common questions
Is this a certificate-backed digital signature?
No. It is a visible drawn signature. Certificate-backed signing requires a separate identity and verification workflow.
Can I sign with a finger on mobile?
Yes. The drawing area supports touch, pen, and pointer input.