Sign PDF Online | Draw, Type or Upload Signature

Add a drawn, typed or image signature to PDF pages. Choose the signature color, size and position, then download the signed PDF directly in your browser.

1. Upload your PDF

Choose a PDF file

Drag and drop a PDF here or use the button below.

No file selected

2. Create your signature

Draw your signature above.

Transparent PNG files usually give the cleanest result.

White works well on dark PDF backgrounds. The outline helps separate the signature from mixed backgrounds.

3. Choose pages

Example: 1-3, 5, 8-10

4. Position

Choose Manual position to drag the signature on the preview.

Used by the preset positions.

5. Output

This tool adds a visual signature to the PDF. It does not create a certificate-based cryptographic digital signature.

PDF preview

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Signature preview

Drag the signature across the PDF preview when Manual position is selected.

PDF Signer FAQ

Can I sign a PDF with a white signature?

Yes. Select White from the signature color presets. This is useful when signing documents with dark backgrounds.

Can I choose a custom signature color?

Yes. Use the custom color picker to choose any color supported by your browser.

Can I add a signature image?

Yes. PNG and JPEG signature images are supported. Transparent PNG images work especially well.

Can I sign multiple PDF pages?

Yes. Apply the signature to all pages, the current page, odd pages, even pages or a custom range.

Are my PDF files uploaded to a server?

The tool processes the PDF in your browser. Your PDF is not sent to a ComfortSkillz server for signing.

Does this create a legally verifiable digital signature?

No. This tool places a visual signature on PDF pages. It does not create a certificate-based cryptographic digital signature.

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