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.

How to convert a PDF for Kindle Amazon makes it simple to convert a PDF file so that you can read it on your Kindle e-reader or in the Kindle app.

You can convert PUB files to PDF using the Microsoft Publisher software itself or use the free online Publisher to PDF converter tool.

To convert files to PDF on your computer, you'll need either the $300 full version of Acrobat (the free Acrobat Reader won't do it) or a third-party program like pdfFactory, which you can get for ...

Convert any Office file to PDF for free Get five free conversions with Adobe's online service, or go the download route with the free CutePDF Writer.