Add a Visible Signature to One PDF Page
Add a visible signature to a PDF when a form, approval, application, or handoff document needs a signed mark before it is shared, uploaded, or printed.
The tool adds a visible signature to the selected page and returns one signed PDF file.
How to use Sign PDF
Upload one PDF file.
Choose whether to use a typed signature or a signature image.
Select the page that should receive the signature.
Adjust the signature size if it should fit a smaller field.
Drag the signature box on the preview until it is in the right spot.
Click Sign PDF to download the signed PDF file.
Why this helps in real workflows
A form should be signed before it is uploaded to a portal.
A client-ready PDF needs a visible approval signature.
A document should be signed without printing and scanning it again.
A PDF should include a signature image before it is shared.
Common problems and fixes
The PDF needs a visible signature before it can be sent or uploaded.
Place a typed or image signature on the correct page and download one signed PDF.
You want to add a signature mark without printing the document first.
Use Sign PDF to place the signature directly on the page in the browser.
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Frequently asked questions
How do I sign a PDF online?
Upload one PDF, choose a typed signature or signature image, place it on the selected page, click Sign PDF, and download the signed file.
Can I type my signature instead of uploading an image?
Yes. This first version supports both typed signatures and uploaded signature images.
Can I choose which page gets the signature?
Yes. Select the page number you want to sign, then place the visible signature on that page in the preview.
Can I make the signature smaller to fit a signature field?
Yes. Use the Signature size control to shrink or enlarge the signature before placing it on the page.
Does this create a legal or certificate-based e-signature?
No. This tool adds a visible signature mark to the PDF. It does not create an identity-verified or certificate-based digital signature.
Do the PDF files leave my browser?
This tool is designed to run in the browser with pdf-lib, so the visible signing workflow stays local in a modern browser session.