Merge PDFs Using Python Working with PDF files can a pain…but it doesn’t have to be. You don’t even need any expensive software to handle PDFs: just a few lines of Python code will suffice. In this quick tutorial I’ll show you how to easily merge multiple files without having to tinker in the Adobe Acrobat or a similar program, simply taking advantage of the capabilities of the PyPDF2 library. This method is much quicker and cheaper and all the tools used here are free.