PDF Merge Tool

A simple Python utility for merging PDF files using PyPDF. This tool provides two modes:

Features

🔁 Interleave Mode (I)

Merges pages from odd.pdf and even.pdf in alternating sequence (reconstruct double-sided scans split into odd and even pages).

Required input files:

• odd.pdf
• even.pdf

Result:

• merged.pdf with interleaved pages (odd-even-odd-even...)

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➕ Append Mode (M)

Appends all pages of append.pdf to the end of original.pdf.

Required input files:

• original.pdf
• append.pdf

Result:

• merged.pdf containing original.pdf followed by append.pdf

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Requirements

• Python 3.6+ (Coded and tested using Python 3.13 but expected to work with 3.6).
• pypdf 5.0.0+

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Usage

1. Ensure the relevant PDF files are named as required (see above).
2. Run the script:

python merge_pdf.py