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  • How to Save a Signature in a PDF Using 2 Ways [Full Solution]

How to Save a Signature in a PDF Using 2 Ways [Full Solution]

  • By Charlotte
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  • Updated on December 5, 2025
Introduction:
Nowadays, many organizations still accept a signature as an authentication method. When you sign a PDF for the first time, you can save the image of your signature to paste and use on other PDF documents. Thus, you don't have to scan, write, or sign from scratch again. With the right PDF editor, extracting something will not be challenging. Read this post to explore how to save a signature in a PDF painlessly using 2 methods and clear instructions.
summary

How to Save a Signature in a PDF Using SwifDoo PDF

SwifDoo PDF is a PDF tool wrapper for Windows that lets you save your signature in a PDF without a sweat. If your company or client needs a handwritten or digital signature, the software is always capable. It allows you to draw the signature with your cursor, upload a signature image, or scan a signature on paper. It also supports digital certificate signing.

Here is how to save a signature in a PDF:

Step 1: Download and launch the SwifDoo PDF editor, then open your PDF.

Step 2: Choose the Signature tool, and select a signing method to sign the PDF electronically.

How to Save a Signature in a PDF Using SwifDoo PDF 1

Step 3: Go to the Save as option to save the signed PDF, then close the PDF and reopen it.

How to Save a Signature in a PDF Using SwifDoo PDF 2

Step 4: Right-click the signature and select Save as Image to save the signature on the PDF as an image file.

How to Save a Signature in a PDF Using SwifDoo PDF 3

Download SwifDoo PDF for your PC or laptop to try for free to save a signature in a PDF to use in other places or documents. SwifDoo PDF can add images to a PDF to apply saved signatures.

  • Check the “Save Signature” box in the signing window. SwifDoo PDF will automatically save and remember the signatures you used and display them for choosing next time.
  • On top of extracting a signature as a separate file, you can also copy a signature from a PDF as an image.  
  • It can edit, watermark, and password-protect PDFs. If needed, you can convert the signature image to a PDF to save.

How to Save a PDF Signature as an Image in Adobe Acrobat

A reliable way to create and save a signature in a PDF is to use the Adobe Acrobat software. You can annotate, redact, and copy and paste a signature to a PDF or other files. The program lets you digitally sign a PDF with a digital ID and validate the signature for security. It also allows for adding stamps and initials.  

Learn how to save an e-signature in a PDF in Adobe Reader or Pro.

Step 1: Open the Adobe PDF in which you want to save a signature.

Step 2: Choose Fill & Sign in the All tools list, and click Add signature to create a signature.

Ticking the Save signature in the window will save the signature in the PDF in Adobe for future use.

How to Save a PDF Signature as an Image in Adobe Acrobat 1

Step 3: Apply the signature, then save the file with it. Close and open the file again in Adobe.

Step 4: Select the signature, right-click it to choose Copy image, and paste it into Word.

How to Save a PDF Signature as an Image in Adobe Acrobat 2

Step 5: Right-click the image in Word to save the signature image for reuse.

How to Save a Digital Signature in a PDF

The demonstrated methods to extract a signature from a PDF are to extract the electronic signature. You must also wonder how to create and save a digital signature in Adobe Acrobat or SwifDoo PDF. When you save a signature in a PDF, the fundamental logic is to save it as a standalone file. Mostly, it is an image.

However, a digital signature is created with a digital certificate and often contains real-time information. It needs to be verified to edit documents. Saving digital signatures doesn’t make sense. However, if you really need to, you can crop a signature from a PDF to save it as an image.

That is, select the Snapshot (Alt + S) tool under the View tab in SwifDoo PDF, capture and crop the signature, and save the signature from the PDF document as an image.

Conclusion

This guide focuses on how to save a signature in a PDF as an image to use in more documents. No complicated process, but only a few clicks. Whether you are an Adobe or SwifDoo PDF user or new to them, download and try them for free. If you are also confused about why your signature won't save on your PDF, scroll down to read the FAQs section.

FAQs

  • Q: How can I put my signature in a PDF?
    If you would like to save a signature to use in a PDF, open a PDF file in SwifDoo PDF, choose “Protect” > “Signature” > “Create New Signature”, choose the “Image” type to upload your signature image, and place it in the PDF.
    To put a handwritten signature on a PDF, choose the “Camera” type, activate your computer camera, and scan the handwritten signature on white paper into the PDF.
    When you add a signature, you can check the "Save Signature" checkbox in the pop-up window. This way, you can select the signature directly from the "Signature" list without having to scan or upload again.
  • Q: How can I save a signature for a PDF?
    Normally, when you have created a signature in a PDF, you can straightforwardly click the Save button to save the signature for PDF documents. However, if you mean your signature keeps disappearing, browse several solutions below:
    1) Update PDF software or operating system.
    2) Choose a different PDF export option to create the PDF with another PDF app.
    3) Try not to print the PDF.
    Try the above fixes to retain a digital signature in your PDF. For a general electronic signature, you can save the signature as an image in the PDF to use, so that you will get the signature to stay on a file permanently.
  • Q: Why is my signature disappearing in PDF?
    When you encounter a digital signature not showing up in a saved PDF, there are a few reasons:
    1) Too thin stroke.
    2) Printing may remove digital signatures or lose the signature protection on PDFs.
    3) Issue related to the Word or other document programs when exporting as PDF. Check with other documents and repair the program.
    4) Your software or device doesn’t support the digital signature.

Charlotte has been in the software industry for 8+ years. She works for AWZWARE now as a passionate writer. She is good at providing simple guides to use various video, office and entertainment software. Charlotte also recommends many other useful tools to make your work and life easier. A food lover too.

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