How to Scan a Signature into PDF? (4 Easy Ways)

Sometimes you may need to scan signature into PDF. This might happen if you need to transfer a signature from a paper document to a digital PDF document. Or, you may need to insert a scanned signature from a piece of paper, such as a check or order form, onto a digital PDF.

No matter what your reason is for scanning a signature to a PDF, you can use UPDF for iOS to easily add scanned signatures to any of your PDFs. UPDF for iOS cannot only help you add scanned signatures to your PDF, but also has mansssssy tools to help you edit PDFs, compress PDFs, flatten PDFs, extract text from any PDF, and so much more!

Watch the below video to learn more about all of UPDF's amazing features on your iPhone or iPad. Or you can click the below button to test this tool on your own.

UPDF also has the UPDF Cloud storage system, so if you need to access your signed PDF across different devices, such as your computer, smartphone, or laptop, you can use the UPDF Cloud storage system to do so. And the best part is that you only need one license to access UPDF across all of your devices!

In this article, we will talk about how to scan a signature to a PDF, how to scan a signature into a PDF, and how to insert a scanned signature into a PDF document. Click the button below to download UPDF so you can follow along with all the steps.

Part 1. How to Scan a Signature to PDF?

There are many reasons why you might want to scan a signature to a PDF document. This method makes it easy to sign documents electronically, so you can transfer a written signature into a digital signature. You can also use this method if any online applications or forms require a handwritten signature, so that you do not need to print a PDF, sign it, and upload it back online.

Step 1 - Download and Open UPDF

Download UPDF on your iOS device. When you open UPDF, click the '+' button in the lower right corner and select "Scan".

Step 2 - Scan Signature

Align the camera with the signature that you want to scan, and press the white circle to scan the signature. You can then choose to crop the image, retake the image, detect text, or select "Done" if you're happy with the image. Click the purple button in the lower right corner to save the image as a PDF on your iPhone/iPad.

Now, you scan a signature to PDF successfully. From here you can make any edits or changes to the signature PDF.

Part 2. How to Scan a Signature into PDF? (2 Ways)

You can also scan a signature directly onto a PDF with UPDF. This method is best if you have an already existing PDF that you are accessing on your iOS device, and you need to add a signature that is written down on a piece of paper. You can use UPDF's image feature to directly scan a signature into a PDF, or you can also use the scan signature feature to scan and detect a paper signature.

Read more about each method below.

Way 1. Scan a Signature into PDF Using the Image Feature

You can scan a signature into a PDF using the image feature in UPDF for iOS. Follow the steps below for this method.

Step 1 - Download and Open UPDF

First, make sure you click the button below to download UPDF for iOS. Then open UPDF, and select the PDF that you need to add a signature to. At the top of the interface, select the Image and Text button, and then at the bottom click "Image", and tap your finger wherever you'd like to add the signature. Select "Scan" for your upload method.

Step 2 - Scan and Adjust Signature

Use UPDF's scanning tool to scan the page with the signature. After you scan your signature, you can then adjust the cropping tool to your preferred signature size. When you're happy with the signature cropping, click "Done". UPDF will also automatically optimize your scanned signature.

Step 3 - Add Signature

Now your signature will appear as an image, and you can adjust the size and placement of your signature image. Your signed PDF is ready to be shared with others as needed.

Way 2. Scan a Signature into PDF Using the Scan Signature Feature

You can also scan a signature into a PDF using UPDF's scan signature feature. Follow the steps below for this method.

Step 1 - Open UPDF and Choose Signature Tool

Open UPDF for iOS and select the PDF which you want to add a signature to. Click the third icon in the top right corner, select "Signature" and choose "Scan Signature".

Step 2 - Scan Signature

Use UPDF's scanning tool to scan a signature on a white background. You do not need to worry about your scan being perfect because UPDF's technology will optimize your signature before adding it to the PDF.

Step 3 - Adjust Signature

After you scan the signature, you can adjust it, including cropping the page so that only the signature is showing. Click "Done" when you're finished. A clear background will automatically be applied to the signature, and you can also change the color. You can use one of UPDF's preset colors, or add a custom color. Click "Done" when you're satisfied with your signature.

Step 4 - Finalize Signature

Your scanned signature will automatically be added to the PDF with a clear background, and you can now adjust the size and placement of the scanned signature.

Part 3. How to Insert a Scanned Signature into PDF?

You can also insert a scanned signature into a PDF if you already have an image of the signature on your iOS device. Follow the steps below to complete this method.

Step 1 - Open PDF

Make sure you download UPDF on your iOS device. Open UPDF and select the PDF that you need to add a signature to. Select the Text and Image button from the top of the interface, and then the image tool at the bottom of the interface. Choose "Photos". Select the photo of the signature on your iOS device.

Step 2 - Adjust Signature Image

Now that your scanned signature has been added to the PDF as an image, you can make adjustments to the image. This includes changing the size of the signature and adjusting the placement of the signature on the document.

Final Words

If you are working with PDFs on your iOS device, and require a digital signature on a PDF, it's very easy to scan a signature into PDF using UPDF. With UPDF, you can easily scan a paper signature and convert it into a PDF directly from your iOS device using the scan feature. You can also add a scanned signature into an already existing PDF by using the image feature in UPDF.

But that's not all! UPDF is an all-in-one PDF tool, including features for editing your PDFs with images, text, and links, annotating your PDFs with highlighted text, underlined text, and sticky notes with comments, and security features such as password protection. UPDF also has powerful AI tools to help you translate, explain, summarize, and generate content for your PDFs, streamlining your workflow and saving you time.

Ready to try all of UPDF's amazing features? Click the button below to download UPDF and start your free trial! If you want to upgrade to pro version, you can get a big discount now by clicking here.