PrivConvert

PDF tool

Add Signature Image to PDF

Place an uploaded PNG or JPG signature image onto a PDF.

Add your input

Source PDFThe PDF file to edit.
Signature imagePNG or JPG signature image to place on the PDF.

Your file stays in this browser.

Settings

Good to knowup to 2 files · 100 MB max · 500 pages max
Upload source pdf or signature imageResult: PDF file
  • Your PDF stays in this browser while the tool runs.
  • Encrypted or damaged PDFs may need to be unlocked or repaired before this tool can read them.
  • This tool preserves page artwork where possible, but it does not rewrite original PDF text like a word processor.
  • Upload the source PDF first and the signature image second.

Next tools

Keep working with this file

Edit PDFEdit PDF text and styles, draw signatures, and add highlights, review notes, shapes, and images.SignDraw a handwritten signature and place it on a PDF.Add imagePlace a PNG or JPG image on top of one PDF page.Image watermarkOverlay a PNG or JPG watermark image on selected PDF pages.

How it works

How to use Add Signature Image to PDF online

  1. Choose the source PDF, then add the PNG or JPG signature image.
  2. Select the page, adjust the width, and drag the signature into place on the preview.
  3. Create the result in your browser, inspect the overlay, and download the signed PDF copy.

Overview

Place an existing signature image on a PDF

Upload the source PDF and a PNG or JPG signature image, choose the target page, and position the image on the preview before exporting. This adds a visible image overlay; it does not create a certificate-based digital signature.

Input

Upload source pdf or signature image

Output

PDF file

Limits

up to 2 files · 100 MB max · 500 pages max

Best for

Add Signature Image to PDF use cases

  • Place a scanned handwritten signature on a form or letter.
  • Reuse a transparent PNG signature on a PDF page.
  • Position a signature image without uploading the document to an account.

Processing

What happens in your browser

PrivConvert uses pdf-lib for this workflow. 3 adjustable settings. No special browser capability is required for typical inputs

Your PDF stays in this browser while the tool runs.

Related tools

Edit PDFSign PDFAdd Image to PDFAdd Image WatermarkAdd Page NumbersAdd Text to PDF

FAQ

Add Signature Image to PDF questions

See how privacy works

Is Add Signature Image to PDF free to use?

Yes. This tool is free to use in your browser and does not require an account.

Are my files private?

Add Signature Image to PDF uses pdf-lib in the browser. Selected files are processed locally when the required browser features are available, while application, library, model, security, and limited analytics requests may load separately.

What limits should I know about?

up to 2 files · 100 MB max · 500 pages max. Encrypted or damaged PDFs may need to be unlocked or repaired before this tool can read them.

Is a signature image the same as a digital signature?

No. This tool adds a visible image overlay. It does not create a cryptographic certificate-based digital signature.