document-security

A tool that generates guilloche patterns as compact EPS files, deterministically derived from document content and a secret key.

Inspect PDFs and PowerPoint files for hidden, recoverable, or private content before sharing.

Improve document security. Create variations using AI. Detect source of leaks

This repository provides a working example of implementing role-based access control and editing restrictions in Word documents using the Syncfusion React Word Document Editor (also known as the Word Processor).

A browser-based image censoring and redaction tool.

DocShield is a real-time secure document sharing platform built with the MERN stack, utilizing Socket.IO for live collaboration, and integrating advanced digital signature technology to ensure document integrity and authenticity.

See what your PDF is still telling people. Finds text under redaction boxes, earlier saved revisions, invisible text and hidden metadata. Runs entirely in your browser - zero dependencies, no upload, works offline.

A web application that uses CryptoPro CSP for detached signing and encryption, then sends protected document packages to an intermediary integration service.

Secure document integrity and verification platform using FastAPI, React, SHA-256 hashing, RSA digital signatures, RBAC, audit logging, and Azure Blob Storage.

A simple Express.js API for embedding watermarks on PDF files using pdf-lib and multer. This project demonstrates how to apply forensic watermarks with user details (or unique identifiers) to each page of a PDF, helping deter unauthorized distribution while maintaining user privacy.