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document-security

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Privacy-first Windows app that finds sensitive data before files are shared. Scans locally, supports optional on-device Ollama AI, and creates redacted copies without uploading source files.

  • Updated Sep 4, 2026
  • Python

Password protect a PDF locally with real AES-256 encryption - a single offline HTML file, no upload, no server, no installation. Free and open source PDF password protector powered by qpdf compiled to WebAssembly.

  • Updated Jul 26, 2026
  • HTML

This repository provides a working example of securely generating PDF documents from HTML in .NET C# using the Syncfusion HTML to PDF Converter. It demonstrates how to convert HTML to PDF, apply password protection, and configure document permissions to control access and editing capabilities

  • Updated Apr 21, 2026
  • C#
xeria

XERIA is a commercial Windows desktop application for secure PDF watermarking, personalized batch PDF generation, PDF encryption, trace-code watermarking, QR traceability, email delivery, and controlled document distribution.

  • Updated Aug 12, 2026

Python toolkit building intelligent document containers — ordinary .docx and .odt files that also carry signed, encrypted payloads through five OOXML/ODF channels: custom XML parts, package parts, metadata properties, image LSB steganography, and MCE AlternateContent. Ed25519 manifests, AES-256-GCM, Merkle binding.

  • Updated Sep 6, 2026
  • Python

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