Sign PDF
Places a visible signature. This is not a digital signature: there is no certificate, so it cannot prove who signed the file or that it was not changed afterwards.
About Sign PDF
Sign PDF places a visible signature on a page. Upload a picture of your signature or type your name, choose which pages to sign, position it where it belongs and optionally add the date underneath.
This is a visible signature, not a digital one: there is no certificate, so it cannot prove who signed the file or that it was not changed afterwards.
When to use Sign PDF
- Sign a form or letter without printing and scanning it.
- Add your signature to a contract that does not need a legally certified digital signature.
- Sign a document at the right place and size.
Tips for the best result
- A transparent PNG of your signature looks cleanest, or use the typed option to write your name.
- Choose the page and position so the signature sits on the signature line.
- If you need a legally binding certificate-based signature, use a qualified digital-signature service.
How to use Sign PDF online
- 1
Upload your files
Choose up to 2 PDF, PNG, JPG files or drag and drop them onto the page.
- 2
Choose your options
Use the visual editor to make your changes directly on the page.
- 3
Run Sign PDF
Click the button and the file is processed on our secure server in seconds.
- 4
Download the result
Download your new file. Your upload and the result are deleted automatically afterwards.
Read the full guide: How to Sign a PDF Without Printing It (Free, Online) →
Frequently asked questions
Is this a legally binding digital signature?
No. It places a visible signature image or text on the page. Certificate-based digital signatures, which prove identity and detect later changes, are a different kind of service.
Is Sign PDF free?
Yes. You can use Sign PDF on SnapPDF for free, without creating an account. Paid plans only raise the limits for heavy use.
How do I use Sign PDF?
1. Upload your files. 2. Choose your options. 3. Run Sign PDF. 4. Download the result.
Are my files safe?
Yes. Files are sent over HTTPS, stored encrypted, visible only to you, and deleted automatically after processing. We never sell your files or use them to train AI.
Do I need to install any software?
No. Sign PDF works in any modern browser on Windows, Mac, Linux, Android and iPhone.
Which file types are supported?
Sign PDF accepts PDF, PNG, JPG files, up to 2 at a time.
What else can I do with SnapPDF?
SnapPDF has more pdf security tools and many others to merge, split, compress, convert, edit and secure PDFs.