Batch Convert PowerPoint to PDF with a Simple Python Script

This is a Python script that can batch‑convert Microsoft PowerPoint files (.ppt or .pptx) to PDF.

Usage instructions

Place this script in the same folder as the PowerPoint files.

Run the script.

Full code

import comtypes.client
import os

def init_powerpoint():
    powerpoint = comtypes.client.CreateObject("Powerpoint.Application")
    powerpoint.Visible = 1
    return powerpoint

def ppt_to_pdf(powerpoint, inputFileName, outputFileName, formatType = 32):
    if outputFileName[-3:] != 'pdf':
        outputFileName = outputFileName + ".pdf"
    deck = powerpoint.Presentations.Open(inputFileName)
    deck.SaveAs(outputFileName, formatType) # formatType = 32 for ppt to pdf
    deck.Close()

def convert_files_in_folder(powerpoint, folder):
    files = os.listdir(folder)
    pptfiles = [f for f in files if f.endswith((".ppt", ".pptx"))]
    for pptfile in pptfiles:
        fullpath = os.path.join(cwd, pptfile)
        ppt_to_pdf(powerpoint, fullpath, fullpath)

if __name__ == "__main__":
    powerpoint = init_powerpoint()
    cwd = os.getcwd()
    convert_files_in_folder(powerpoint, cwd)
    powerpoint.Quit()

Project repository: https://github.com/jackbrookes/batch-ppt-to-pdf/blob/master/batch_ppt_to_pdf.py