To properly sign a PDF on your Android phone or tablet, you'll need to download an app from the Google Play Store.

Creating a PDF on your iPhone might sound like a task for a computer, but Apple has made the process surprisingly smooth. Whether you need to save an email as a PDF, turn a photo into a document, or ...

When you need to send a web page (or any document) as a PDF, you have a lot of options that don’t involve using Adobe’s paid Acrobat app. Most methods are integrated right into your device’s operating ...