How to Sign PDFs on iPhone: A Comprehensive Guide


A PDF (Portable Document Format) is a file format created by Adobe that allows documents to be viewed on any device, regardless of operating system or hardware. It is important to be able to sign PDFs as it helps to ensure authenticity and integrity of the document. In this article, we will explore how to sign PDFs on an iPhone.

Step-by-Step Guide to Signing PDFs on an iPhone

To get started, you will need to access the built-in PDF signature tool on your iPhone. To do this, open the document you want to sign in the Files app. Then, tap the Share icon in the upper right corner and select “Markup and Reply” from the list of options.

Once you have opened the Markup and Reply window, you will see the signature tool at the bottom of the screen. Tap the tool to open it, then draw your signature using your finger or Apple Pencil. Once you are done, tap the Done button to save your signature.

You can now use your signature to sign the document. Tap the signature tool again and select your signature from the list. You can also adjust the size and position of the signature before tapping the Done button to save it.

Finally, tap the Share icon in the upper right corner of the screen. Select “Save to Files” and choose where you want to save the signed document.

How to Quickly and Easily Sign Documents with Your iPhone
How to Quickly and Easily Sign Documents with Your iPhone

How to Quickly and Easily Sign Documents with Your iPhone

If you find the built-in PDF signature tool too complicated, you can always use a third-party app to sign documents quickly and easily. There are many apps available on the App Store that allow you to easily create and manage digital signatures on your iPhone.

To get started, download the app of your choice and open the document you want to sign. Most apps will have a signature tool that you can use to draw or type your signature. Once you are done, you can save the signed document directly to your phone or cloud storage.

Some apps, such as Adobe Acrobat Reader, also have additional features that make the process even easier. For example, you can use the app to add text fields, checkboxes, and other interactive elements to your document.

Signing PDFs on iPhone: A Comprehensive Guide
Signing PDFs on iPhone: A Comprehensive Guide

Signing PDFs on iPhone: A Comprehensive Guide

There are several different ways to sign PDFs on your iPhone, each with its own pros and cons. The most basic method is to use the built-in PDF signature tool, which is simple and straightforward but doesn’t offer much flexibility. Third-party apps offer more features, such as the ability to add text fields and checkboxes, but they can be more complicated to use.

For most people, using a third-party app is the best option. Not only do these apps offer more features, but they also make the process of signing PDFs much faster and easier. If you need to sign documents frequently, investing in a good app will save you a lot of time and hassle.

Tips and Tricks for Signing PDFs Directly from Your iPhone

Once you have mastered the basics of signing PDFs on your iPhone, there are a few tips and tricks that can help you streamline the process. For example, if you are signing documents regularly, you should create a digital signature that you can use each time. This will save you time and ensure that all of your documents have a consistent look.

It is also important to store signed documents securely. Many third-party apps offer cloud storage, which is a great way to keep your documents safe and accessible. Finally, if you are dealing with multiple documents at once, try using a document management app to stay organized.


Signing PDFs on your iPhone is easy when you know how. The built-in PDF signature tool is simple and straightforward, but third-party apps offer more features and make the process faster and easier. With the right tools and a little bit of practice, you can quickly and easily sign documents directly from your iPhone.

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