How to Change Settings to Open a PDF File. A Portable Document File is a type of file that uses an open standard across different computer platforms and programs.

Some might suggest you download an app to convert a picture to a PDF on the iPhone, but the truth is you can do it for free without any apps.

Do you want to convert images to PDF on PC, iPhone, or Android? We have listed some of the best tools to convert photos to PDF for free.

Got PDF documents to e-sign? Here's a guide on how to electronically sign a PDF document on iPhone and Android on the go.

Need to create a PDF or save your current document in that file type? We’ll walk you through how to convert Apple Pages to PDF on Mac, iPhone, and iPad.

If you need to print anything to PDF on iPhone or iPad, you should know the feature is built into iOS and iPadOS, but it's hidden.

In iOS, Apple has extended the system's built-in screenshot feature to include the ability to save a full web page or "scrolling screenshot" as a multi-page PDF. Don't expect this option to appear ...