ContextDeck

ContextDeck provides a secure way to transform various document types into clean Markdown format. Key features include: • Convert PDF, Office, and code files to Markdown • Mask sensitive client data before export • Local processing on Windows for enhanced privacy • Support for over 40 file formats • Generate context packs for document collections This tool ensures that private information like emails, credit card numbers, and national IDs from 32 countries are automatically identified and replaced with placeholders, safeguarding confidentiality. The conversion happens entirely on your local machine, preventing data exposure to external services. The same identifier appearing multiple times in the original document is consistently masked with the same placeholder (e.g., [EMAIL_1]), preserving contextual relationships without revealing actual data. ContextDeck is ideal for professionals and teams working with sensitive documents who need to extract and organize information without compromising client privacy. It streamlines the preparation of complex files for review or analysis, offering peace of mind by keeping confidential details secure. Available for Windows, with a free version to get started.