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.

Some services or programs can scan your document, use OCR to convert the scanned image to readable text, and save the result as a PDF. However, these services and programs often cost money.

It's easy to convert images into PDF files -- whether on Windows, Mac, or directly on your mobile phone. We'll show you how it works.

For customers in need of a solution to scan and convert small amounts of documents, ABBYY offers a package of two inexpensive tools. The tools were found to be less effective for larger jobs, however.