Este proyecto permite realizar combinaciones de correspondencia avanzadas con Microsoft Word, donde el usuario puede elegir que se generen pdfs, que se firmen, que cada documento tenga un nombre específico y que se envíen por correo.

We present Ypdf, a PDF document processing application that combines the best features of existing solutions and provides the most popular and requested functionality for free to its users.

This project offers a straightforward solution for retrieving forgotten PDF passwords using Google Colab. With just five simple steps, it efficiently handles passwords of any complexity. Say goodbye to PDF access hurdles and hello to seamless password recovery.

Connect Claude and ChatGPT to KDAN PDF — upload, edit, compress, protect, redact, and compare PDFs in chat.

A trimmed version of Java's PdfRenderer library that only validates a Pdf's password

Pdf file utilities

Standalone .NET PDF library, to create, read, modify, edit PDF document in .NET framework

Laravel package to password-protect all pages in PDFs.

PDFScalpel is a forensic PDF analysis and CTF toolkit for security researchers, digital forensics analysts, and penetration testers, providing deep insight into PDF structure, encryption, malware, steganography, metadata, revisions, and document authenticity.

An App/API to add password to a PDF File

This project is build on Flask and is serving as a backend for the PDF Password Remover Project.

PDF Password cli app

A comprehensive solution for removing passwords from PDF files, including support for AES-256 encryption

PDF Protect is a free, privacy-first web app for adding, updating, and removing password protection from PDF documents. All processing runs entirely in your browser: nothing is uploaded to any server.

PDF Locker using C#