PDFTwin
Sign PDF free online
Add your signature to contracts, NDAs, and approval forms without printing and scanning. Draw directly or upload a transparent PNG signature image.
Sign PDF nowWhy use PDFTwin
- Draw signature or upload PNG
- Place signature on any page
- Processed locally in browser
- Free with no watermark
How it works
- 1Upload PDF
Select the document to sign.
- 2Create signature
Draw on the canvas or upload a PNG file.
- 3Place and download
Position the signature and save the signed PDF.
Frequently asked questions
- Is this a legally binding e-signature?
- PDFTwin adds a visual signature image. For regulated contracts, confirm requirements with your jurisdiction.