7 Uncomplicated Steps for Signing a PDF on iPhone

The need to electronically sign documents such as PDF files in work, business, education, and other administrative tasks in today’s advanced digital age is increasing. For iPhone users, this need can be met quickly and easily using built-in features. In this article, we will learn 7 uncomplicated steps on how to sign a PDF on iPhone using built-in tools, free apps, and online converters. 

Signature Image vs ECP: What Is The Difference?

Before we delve into how to sign a PDF on iPhone, let’s first look at the types of signatures that can be quickly and easily created on PDF files on an iPhone. It turns out that the signature is a visual digital signature or signature image, not a certified electronic signature or Electronic Certification Provider (ECP). So, what is the difference?

Based on this table of differences, the signature image we create on iPhone is legally limited and cannot replace a certified electronic signature (ECP). However, functionally and for administrative purposes, this type of signature is valid. Examples of general documents that can use this signature image include letters or educational documents, internal work documents, regular non-legally binding (non-notarized) forms, or letters of agreement.

If the document is a banking document, employment or business agreement, legal contract, or government document, then a signature image that can be created on an iPhone is not the best choice. An ECP is the most appropriate choice for signing these documents or simply going directly to a physical signature.

Signature Image on iPhone: How is That Possible?

How to sign a PDF on iPhone? How is that possible? This is possible thanks to the iOS operating system’s built-in Markup feature on this Apple product – the iPhone. This built-in feature can be used to edit images and documents, making it easy for users to edit PDF files by inserting text, doodles, and even signatures directly.

Markup, a built-in iPhone feature, is also integrated with the four built-in iPhone apps: Files, Mail, Notes, and Books. This allows you to sign PDF files directly by opening the PDF file in the iPhone’s built-in apps, without the need for file transfers or downloading external apps.

Signature Image on iPhone: Privacy, Benefits, & Common Mistakes

Signature images on iPhone are a quick and easy way to sign PDF documents in urgent situations. Furthermore, privacy is maintained because they are stored only in the user’s personal iCloud account. However, there are still risks if documents containing these signature images are shared without careful consideration. Regarding the benefits of using how to sign a PDF on iPhone, here’s an explanation.

• Efficient, for remote work or urgent matters, a signature image on an iPhone is the solution. Signatures can be affixed to PDF documents anytime and anywhere, without the need for other devices like printers to print documents.
• Environmentally friendly, paperless, and ink-free. A signature image on an iPhone eliminates the need for paper and ink to print documents before signing. This clearly reduces the use of environmentally unfriendly paper and ink.
• Secure, as explained in the opening paragraph, as long as users are judicious in sharing documents containing this signature image, the document’s security level can be maintained. This is because the signature image on the iPhone is stored only locally in the user’s personal iCloud.
• Recognized & Accepted, although not as legally binding as ECP, in today’s advanced digital age, the signature image on the iPhone is widely recognized and accepted for general document administration purposes – supporting the modern digital lifestyle.
• Uncomplicated, After signing a PDF, users can immediately save it to iCloud or even share/send it directly to people who are interested in that PDF documents
• For everyone. The simple creation process allows anyone to use or create one.

In defiance of the many benefits of signature images on iPhones, the following technical and administrative errors in their use are common mistakes in the process of signing a PDF on iPhone.

• Duplicate document issue, when users do not copy a PDF document that requires a signature, the original PDF document will automatically be overwritten (when adding a signature). This results in the loss of the original unsigned PDF document, hindering the revision process if errors are made later.

• Small and blurry signatures issue,  this happens because signatures on iPhones are generally created using a finger. Finger usage is often unstable and easy to shake which can cause this mistake. 

• • Incorrect use – related to its use and function issue, regarding its intended use and function, some users use signature images on iPhones for certain legal documents or certificates.
  • Incorrect formatting issue, another mistake happens when users select the JPG or PNG save option. These image formats can make the signature usable without proper validation. This format also changes the document’s structure. The correct format for saving is PDF.

• Attention to detail issue, when signing a document, pay attention to the date and detailed information (document name). This carelessness can lead to conflict between parties using the document or even signature fraud. Users should secure signed PDF documents by encoding or locking them, and send them via trusted media.

• Rechecking process issue; failure to re-check can result in incorrect signature size and location, overlapping content, or even missing or truncated content. Double-checking the PDF document word by word, paragraph by paragraph, or even page by page (if the document is more than one page) after signing can help prevent these mistakes.

How to Sign a PDF on iPhone: An Uncomplicated Guide

As previously explained, the iPhone has a built-in feature called Markup that allows users to sign PDF documents. So, the ultimate question is, how do you do it? Yes, how to sign a PDF on iPhone? As mentioned in the previous paragraphs, the answer is, of course, to use the iPhone’s built-in feature called markup. There are seven uncomplicated steps on how to sign a PDF on an iPhone.

• First, go ahead and open the PDF in the mail application as an attachment or save it to files.

• Second, tap on the PDF to open a preview of it.

• Third, tap on the markup tool, which is right at the bottom of the screen; the icon looks like a pencil.

• Fourth, tap again on the sentence that says “Add Signature,” at the bottom right.

• Fifth, rotate the iPhone so that the digital paper view appears in landscape mode. This gives more space to sketch a signature. Then, do that sketch, and tap done.

• Sixth, just position the signature in the required part of a PDF. Usually, it is at the bottom above the name. Tap done again.

• Seventh, to end the process of adding a signature image to a PDF, tap the “Save File To…” or send it directly via mail application or other trusted messaging applications.

Microsoft Office, Adobe Acrobat Reader, and PDF Expert are some examples of third-party or external applications that offer alternatives for creating image signatures for PDF files on iPhone. Regardless, using these requires the user to open a website and search this external applications or even download them from the iPhone’s built-in app store, the Apple Store.

It should be noted that if choose this external applications to add signature to a PDF, then we are ready to face security risk. This is because a third party is involved in inserting a signature into a document that is also of a personal nature, such as for educational, work, or business purposes.

Conclusion

This article on how to sign a PDF on iPhone explains that a signature image is the type of signature that can be created on an iPhone as a digital signature. This type of signature has limited legal validity. The validation comes from the decisions of the parties involved in or interested in the document. In other words, this signature image on iPhone cannot be used for official state documents, which require notarization, and have high legal value—this requires the use of an Electronic Certification Provider (ECP). However, signature images still have their benefits and are quite secure and respect privacy because they are stored in the user’s personal iCloud account.  Adding signature image to a PDF file on iPhone uses a built-in feature called markup. This feature can be accessed directly from PDF files opened in the Mail, Files, Notes, or even Books application.

Frequently Asked Questions about How to Sign a PDF on iPhone

1. What kind of digital signature can be created on iPhone?

The answer is signature image. A visual sketch of a handwritten or photo of a signature, with its characteristics, unverified, and bound by an electronic certificate. Applies to general documents such as letters or educational documents, internal work documents, regular non-legally binding (non-notarized) forms, or letters of agreement. Legally, it is also limited and valid when the parties agree (administratively valid).

2. What are the benefits of using a signature image on iPhone? 

First, efficient. Signatures can be affixed to PDF documents anytime and anywhere, without the need for other devices like printers to print documents. Second, environmentally friendly, paperless, and ink-free. Third, secure, because the signature image on the iPhone is stored only locally in the user’s personal iCloud. Fourth, widely recognized and accepted for general document administration purposes – supporting the modern digital lifestyle. And fifth, simple and anyone can create one.

3. What are the common mistakes that usually occur in the process of how to sign a PDF on iPhone?

The three most common issues are small and blurry signatures, which occur because signatures on iPhones are generally created with a finger, not with an Apple Pencil. Then there’s incorrect formatting, where the final signature is saved as an image instead of a PDF. Finally, there’s usage. Incorrect use – related to its use and function, some users use signature images on iPhones for certain legal documents or certificates.

4. How to sign a PDF on an iPhone with easy steps? 

By using a built-in feature called markup. Open the default application on the iPhone such as email or files → open a PDF → tap in the bottom right on the toolbox for the markup → tap in the bottom right again for the signature → use finger to write signature → position the signature in the PDF and resize → tap done → send or save to files to finish.

5. Is there any other technique on how to sign a PDF on iPhone besides using the built-in markup feature to sign a PDF on iPhone?

Of course, there is, namely via the web or downloading external applications or third-party applications such as Microsoft Office, Adobe Acrobat Reader, PDF Expert, PDFelement, PDFGear, and others. 

6. Do I need a PDF editor when implementing how to sign a PDF on iPhone?

No, you can use the default application from iPhone to sign a PDF document. This application for implementing how to sign a PDF on iPhone already fulfills your need to sign a document without third party application, such as a PDF editor. However, if you want to use a PDF editor, that would be fine, and it is more useful for things than signing a PDF document.

7. Is there any free application to implement how to sign a PDF on iPhone? 

Of course, the Markup built-in application from iPhone allows you to sign a PDF on iPhone without the need to pay anything. This built-in app also offers a robust feature that does not lag behind the PDF editor in order to sign a PDF document on an iPhone.