HOW TO Merge PDF Files (without uploading files to any Web Service)

When I had a need to merge 2 PDF files, I turned to my AI assistants to let me know the easiest options that won't require uploading my files to any Web Service.

The first option I liked was to use Microsoft Word which I have. 

Here are the steps:

  1. Go to "Insert" tab in the Text Ribbon Group. Select "Object" and then the "Text from File" option. Select the first PDF. 
  2. Repeat the process to insert the second PDF.
  3. Arrange the pages as needed.
  4. Save the document as a PDF.

This technique extracted the text with the same formatting as in the PDF but without the headers and footers.

As I wanted the headers, I decided to build my own Python program. ChatGPT generated the following Python script to merge PDFs using the GNU GPL v3 licensed PDF-handling library PyMuPDF (7.1k Stars). Install it using the command before running the script - pip install pymupdf


PyMuPDF (also known as fitz) is a powerful and fast GNU GPL v3 licensed PDF-handling library that supports merging along with advanced features like annotations, images, and text extraction.

PyMuPDF is fast and memory-efficient. It works well for large PDFs and you can  also manipulate individual pages, images, and text later if needed.

You can also merge PDFs with Python using open-source libraries like PyPDF2, pypdf, or pdfmerger.

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