How to delete password from pdf on Windows as it is password protected?

This is a great script-based solution to easily delete password from pdf without relying on paid PDF unlocking desktop software. It essentially lets you write customized Python code to decrypt encrypted PDF files offline on your local machine, allowing you to automate single or bulk decryption tasks and export brand-new password-free PDF documents.

Usage Guide: Install the Python runtime environment on your device and run pip install PyPDF2 in Command Prompt to complete library installation, create a new .py file and paste the full decryption code below, replace "input.pdf" with the path of your encrypted file and fill in the correct PDF opening password at "YOUR_PASSWORD", adjust the output file name as needed, then execute the Python script to generate an unlocked PDF.

from PyPDF2 import PdfReader, PdfWriter

reader = PdfReader("input.pdf")
reader.decrypt("YOUR_PASSWORD")
writer = PdfWriter()

for page in reader.pages:
    writer.add_page(page)

with open("output.pdf", "wb") as f:
    writer.write(f)

This method runs entirely offline without uploading any document data to cloud servers and swiftly helps you reliably delete password from pdf, effectively handling automated batch PDF decryption workflows for repeated work demands.

It is particularly useful for advanced users with basic coding skills, regular bulk PDF decryption work, or embedding PDF password removal logic into local automatic processing scripts.