How to Merge PDF Files with a Blank Page in Python

Learn how to easily merge PDF files with a blank page using Python. Follow our detailed guide and code snippets to achieve your goal seamlessly!
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This video is based on the question https://stackoverflow.com/q/74281106/ asked by the user 'Josh Scoville' ( https://stackoverflow.com/u/13008527/ ) and on the answer https://stackoverflow.com/a/74281337/ provided by the user 'Yash Upadhyaya' ( https://stackoverflow.com/u/20391497/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Merge PDF Files with a Blank Page in Python

If you've ever needed to combine multiple PDF files into a single document, especially to prepare them for printing, you might have faced the challenge of ensuring there's a blank page between each file. This helps prevent the unwanted print overlap between consecutive files. Luckily, with Python and the right libraries, you can effortlessly merge PDF files while inserting blank pages where needed.

In this article, we’ll walk you through a simple Python script that accomplishes this task, making it easy for you to merge your PDF bills or any other documents as needed.

Prerequisites

Before diving into the code, ensure you have the following elements ready:

Python installed: Make sure you have Python running on your system.

PyPDF2 library: This library is essential for manipulating PDF files. If you haven't installed it yet, run the following command in your terminal:

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A Breakdown of the Python Script

Here's how to create a Python script that merges your PDF files with a blank page in between:

Step 1: Import Necessary Libraries

First, you'll need to import the necessary modules from Python:

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Step 2: Define the Input Path

Next, you're going to prompt the user to input the folder location where their PDF files are stored:

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Step 3: Function to Add a Blank Page

Create a function that reads each PDF file, adds a blank page to the end, and saves the modified file with a new name:

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Step 4: Function to Merge PDFs

The next function handles the merging of PDF files. It will utilize the PdfFileMerger class to combine all the processed files:

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Step 5: Execute the Functions

Finally, execute the two functions to process the PDF files and create the merged output:

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Complete Script Example

Here's the whole script put together for quick reference:

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Conclusion

Merging PDF files with blank pages in between is that easy! By utilizing the powerful PyPDF2 library, you can automate this process in just a few lines of code. Now, whether you are preparing bills, reports, or any other documents, you can ensure they are printed nicely with no overlaps. Happy coding!

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