How to Sign a PDF on iPhone? (4 Ways)

There are times when you are away from your computer or in back-to-back meetings, but you still need to sign important documents. Thankfully, you can quickly and easily take care of it by using your phone or tablet. Not quite sure how to sign a PDF on iPhone? No need to worry! Today, we will walk you through four simple methods to sign documents directly from your iPhone by using UPDF for iOS.  This will help you stay more productive wherever you are.

Part 1. How to Electronically Sign a PDF on iPhone?

You can sign your documents on iPhone electronically by using handwritten signatures or by scanning/taking a photo of your signature. We will show you both ways below.

Remember to download UPDF through the app store or via the below button on your phone.

Way 1. Handwritten Signature

UPDF for iOS provides an easy way to hand-sign your files on your phone or a tablet. Follow the steps below to create your handwritten signature:

• Open UPDF on your iPhone or iPad and choose the document you would like to sign in.

• Then tap on the third icon on the Toolbar.

• Now you will see three different options. Select “Signature” and then “Handwrite Signature”.

• A new screen will open where you can write your signature with your finger. You can also choose the colours from the icons at the bottom and change the pen’s thickness. Once you are done, click “Done” to save it.

• Resize the signature and place it where needed. This can be done by moving the corners of the text box.

Way 2. Scan Signature

If you prefer to use a scanned version of your signature, you can also do it by using UPDF.

Just follow these steps:

• Write your signature on a white piece of paper. Then open your document in UPDF.  Select the third icon from the Toolbar, click “Signature”, and “Scan Signature”.

• Allow UPDF to access the camera and take a picture of your signature.

• You can adjust the area that AI will analyse by dragging the corners. Then click “Done”.

• The software will scan the picture to detect your signature. You can change the colour of your text by tapping on the icons at the bottom. Once you are happy, click “Done”.

• Resize and place the signature where needed.

Part 2. How to Sign PDF on iPhone Using Markup?

Another way of signing your PDF is by using the pencil in the Markup feature.

• Open your document in UPDF for iOS and click the Pen icon.

• At the bottom, you will see various options such as pen, text, shapes, and note. Select “Pen”.

• Now you can write with your finger anywhere in your document and create your signature. You can also choose a different pen style or a colour from the bottom menu.

Part 3. How to Sign PDF on iPhone Using Adding Image?

If you have a pre-existing signature saved as an image, you can also add it to your PDF by using the “Text” option.

• Open your document in UPDF for iOS and choose the second icon from the toolbar.

• Click the second icon from the bottom menu and select “Photos”. Then choose a photo with your signature.

• Resize your image and position where needed.

Part 4. How to Digitally Sign a PDF on iPhone?

If you have a digital signature in your document, you can sign it by using UPDF as well.

If your document doesn’t have a digital signature area, you can easily add it by using UPDF’s desktop application on Windows or Mac. This can be done in the “Prepare Form” mode and selecting “Digital Signature” tool from the top menu.

• Download UPDF via the below button. Open UPDF and select the document you want to sign. Then go to “Prepare Form” mode which you can select from the left.

• Select “Digital Signature” from the top, place it in your document, and save it.

Once you know that your document has a digital signature field added, you can sign it by using UPDF for iOS.

Follow the steps below:

• Open the contract in UPDF for iOS and click the digital signature field that you added previously.

• Now you will be asked to create a new digital ID. Click “+ Configure New Digital ID”.

• Enter your details and then click “OK”.

• Click “Continue”.

• Now the software will create a digital signature. Confirm it by clicking “Sign”. 

Alt: confirm to sign pdf with digital signature updf ios

• Your signature will appear in the digital signature text box. If you don’t want the watermark to show, you need to be logged in.

UPDF for iOS can easily sign PDF on iPhone and iPad. And you may feel confused about why to choose UPDF for iOS instead of other tools. One is that it can help you sign PDF files in any scenario, the second one is that UPDF for iOS has many other features, you can read this review article and watch the below video to learn more. And to enjoy all these features, you can upgrade to pro version at a low price.

Part 5. Bonus Tip: The Best Tool to Send and Sign PDF

In case that you have the requirement to send, sign and track PDF, we will introduce UPDF Sign here for you. It also allows you to sign PDF on iPhone. However, if you need to send the document out to be signed, you need to use it on desktop. You can click the button below to test it.

With UPDF Sign, you can

• Send the one document to be signed by different persons at one time.
• Automize the signing process.
• Create the signature and sign on your own.
• Sign the document legally.
• Track the siging process.

Final Words

In this guide, we have showed you how to sign PDF on iPhone in 4 different ways by using UPDF. We hope that this information will come in handy, and next time you won’t have any problems when trying to sign your documents. All of the ways are pretty straightforward to follow, but can save you a lot of time while working on important documents. UPDF for iOS can be extremely helpful if you work on your phone a lot, or you are frequently on the go. Download UPDF for iOS today and advance your work.  Also, we show you UPDF Sign which can help send, sign and track the sigining process.