How to Sign a PDF Document on Android Unlike an iPhone or iPad, the default file manager that comes pre-installed with most Android skins doesn’t offer a built-in PDF signing feature.

Want to electronically sign PDF documents on Mac and Windows? This guide will walk you through the steps required to e-sign PDF documents on your computer. Read more here.

Don't have a printer and scanner? You still can easily sign a PDF file, no matter the operating system you're running.

Learn how to sign a PDF in Google Drive using the Drawings tool in Google Docs and third-party add-ons such as DocHub and Adobe Acrobat.

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

Learn how to use tools to create, annotate, and extract text from a PDF on a Chromebook.

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...