Open Source Python PDF Merger Library

What is pypdf?

pypdf is a free and open-source Python library which allows several operations on PDF documents like adding, rotating, cropping, splitting and merging the pages of PDF files.

Some of the features are listed below:

• Merging PDFs: You can merge multiple PDF documents into a single PDF file using pypdf. This is useful for combining PDF reports, presentations, or other documents.
• Splitting PDFs: Pypdf also supports splitting a PDF into multiple smaller PDFs. This can be handy when you want to break down a large PDF into individual sections.
• Rotating Pages: You can rotate individual pages in a PDF document using pypdf. This is useful for correcting the orientation of scanned documents or images.

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Getting Started with pypdf

You need Python version 3.6.0 or higher to install and use pypdf. So, first install Python and then use below commands to install pypdf on your machine using pip and virtual environment.

python3 -m venv venv
source venv/bin/activate
pip install pypdf

python -m venv venv
source venv/bin/activate
pip install pypdf

python3 -m venv venv
venv\Scripts\activate.bat
pip install pypdf

Add, Rotate & Crop PDF Pages

You can use the pypdf library in Python to manipulate PDF files, such as adding, rotating, cropping pages, and even adding JavaScript actions to PDF documents by using PdfWriter and PdfReader classes as shown in below code:

Note: Just because content is no longer visible, it is not gone. Cropping works by adjusting the viewbox. That means content that was cropped away can still be restored.

Merge PDF Files

You can use the pypdf library in Python to manipulate PDF files such as merging multiple PDFs into a single document. You can merge and manipulate PDF files by using the functions of PdfWriter class as shown in below code:

Split PDF Document

We can split a PDF document into several documents using different functions of PdfWriter and PdfReader classes in the pypdf library. The below code snippet divides the provided PDF document into two halves and saves them as two separate PDF files:

Conclusion

In conclusion, pypdf’s merging capabilities are exemplary, showcasing the library's proficiency in handling PDF documents. pypdf’s capability to effortlessly combine PDFs makes it an excellent choice for tasks requiring document assembly, report generation, or the consolidation of various PDF resources. Its user-friendly features and efficient merging capabilities contribute to its reputation as a valuable tool in PDF document management.

FAQs

1. How can I merge multiple PDF files using PyPDF?

PyPDF allows you to merge multiple PDF files by adding pages from each file into a single output document using the PdfMerger class.

2. Does PyPDF preserve bookmarks and metadata when merging PDFs?

Yes, PyPDF can preserve bookmarks and metadata during merging, and it also provides options to manage or customize them in the final document.

3.Can I merge specific pages from a PDF using PyPDF?

Yes, PyPDF supports merging specific page ranges from each input PDF, giving you flexibility to include only the pages you need in the final output.

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