SonuPDF

Sign PDF

Add custom drawn signatures to PDF documents.

Drag & drop files here, or click to select

Create Signature

Draw your signature:

Signature Position

Note: This creates a graphical signature on your PDF. For legally binding digital signatures with certificates, use the "Sign with Certificate" tool.

How to Sign Your PDF Document

1

Open the document that requires your signature in the editor.

2

Choose to draw, type, or upload an image of your signature.

3

Place and resize the signature block on the designated page area.

4

Finalize the signatures and download your signed file.

Flexible Document Signing Features

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Signature Input Methods

Draw using your trackpad or mouse, type your name with custom styles, or upload a scanned signature image.

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Placement Control

Position your signature on any page, scale the size, and adjust alignment for a professional look.

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Multi-Page Signing

Place signatures on multiple pages or add initials to every sheet quickly.

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Local File Assembly

The signature details are baked directly into the PDF layout in browser memory, keeping data private.

Frequently Asked Questions about PDF Signing

You can sign pages within a document and save the file before starting on the next one.

This tool places standard signatures. For certificate-based encryption, use our certificate signing tool.

Yes, you can input your name and select from styled fonts that replicate handwritten ink.

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