How to Sign a PDF (Without Printing It)

Printing, signing and scanning a document is slow. You can usually sign a PDF directly on screen instead.

Signing step by step

1. Create your signature. Draw it with a mouse, finger or stylus in Signature Pad, or upload a picture of your handwritten one.
2. Place it on the document. Open Sign PDF, choose the page, and position and resize your signature.
3. Add dates and text. If the document needs a date, name or initials, add them with PDF Editor.
4. Download and check that the signature appears on the correct page and does not cover any text.

Filling in forms

If the PDF contains form fields (such as boxes to type in), PDF Form Filler lets you complete them before signing.

Protect the final copy

After signing, you may want to prevent edits or encrypt the file before emailing it. Protect PDF adds a password. Use Flatten PDF so the signature and filled fields become part of the page and cannot be moved.

What kind of signature is this?

A picture of your handwriting placed on a PDF is a simple electronic signature. It is accepted for many everyday purposes, such as permission slips, internal approvals and simple agreements, but the rules differ by country and document type. Some contracts require a certified digital signature created with a certificate from a trusted provider. If you are unsure, ask the person or organisation requesting the signature what they accept.

Keep your signature safe

• Do not post an image of your signature publicly; it can be copied.
• Add a watermark such as "For application only" with Add Watermark when sharing documents containing personal data.
• Delete temporary copies you no longer need.

Frequently asked questions

Is an electronic signature legally valid?

In many countries simple electronic signatures are valid for a wide range of documents, but some documents require stronger forms or a handwritten signature. Check what the recipient or the law requires.

How do I stop someone moving my signature?

Flatten the PDF after signing so the signature becomes part of the page content.

Can I sign on a phone?

Yes. Draw your signature with your finger and place it on the page, then check the result on a larger screen if the document is important.

Should I password-protect a signed document?

If it contains personal or financial details and will travel by email, yes. Share the password through a different channel.

Key takeaways

• A pasted signature image is a simple e-signature.
• Flatten and protect the final file.
• Confirm what the other party accepts.

Tip: every tool page shows a ⚡ Browser or ☁️ Cloud badge. Browser tools process your file on your own device; Cloud tools upload it temporarily and delete it automatically within about an hour.