Brunno Klosowski - PDF Compressor

PDF Compressor

2025 / Python

Coding project for daily task automation utilizing Python and Ghostscript.

This Python script was structured by combining my own research with support from ChatGPT. It uses Ghostscript to compress my portfolio PDF, allowing me to easily switch between different output qualities (72, 150 or 300 DPI). This makes it simple to adapt the file size for various platforms with upload limits.

Code

# Importing libraries

import subprocess

# Variables

file_name = "Portfolio"

quality = "/printer" # /printer = 300 DPI, /ebook = 150 DPI, /screen = 72 DPI

# Base path

base_path = f"G:\\Meu Drive\\04_Professional\\02_CV\\06_2025\\{file_name}"

# File paths

input_path = f"{base_path}\\{file_name}_original.pdf"

output_path = f"{base_path}\\{file_name}.pdf"

gs_path = r'C:\Program Files\gs\gs10.05.0\bin\gswin64c.exe'

# Compress PDF

def compress_pdf(input_file, output_file):

gs_command = [

gs_path,

"-sDEVICE=pdfwrite",

"-dCompatibilityLevel=1.4",

f"-dPDFSETTINGS={quality}",

"-dNOPAUSE",

"-dQUIET",

"-dBATCH",

f"-sOutputFile={output_file}",

input_file

]

subprocess.run(gs_command, check=True)

print("PDF compressed successfully.")

compress_pdf(input_path, output_path)

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