Sign PDF lets you add your signature to any PDF in seconds. Draw it with your mouse or finger, type your name in a handwriting style, or upload a photo of your signature — then place it, resize it and download the signed PDF.
How to sign a PDF
- Click "Choose PDF file" or drag and drop the PDF you need to sign.
- Draw, type or upload your signature in the window that opens and click "Use signature".
- Drag the signature to the right place and resize it with the round handle. Add the date with the T tool.
- Click "Save PDF" and then "Download PDF".
Why use ZentaPDF Sign PDF?
Frequently asked questions
Are my files uploaded to a server?
No. ZentaPDF processes your files inside your own browser using JavaScript. Nothing is uploaded, so nobody else can see your documents — not even us.
Is this a legally valid signature?
It is a simple electronic signature, which many everyday documents accept. Some contracts require a certified digital signature — check what the receiver needs.
Is my signature stored anywhere?
No. Your signature and PDF stay in your browser and are gone when you close the page.
Can I add my signature to several pages?
Yes. Click "Sign" again on each page where you need it.
Is it really free? Do you add a watermark?
Yes, it is completely free with no sign-up, no watermark and no daily limits. The site is supported by a few non-intrusive ads.