You have a stack of paper documents—contracts, receipts, business cards, or old records—that you need to digitize for archiving, sharing, or editing. Scanning these papers into PDF format transforms physical clutter into organized, searchable digital files you can store, email, and access from anywhere. Scan to PDF tools make this conversion possible using scanners, mobile phone cameras, or specialized apps that capture images and convert them into professional PDF documents. This guide explains everything you need to know about scanning documents to PDF in clear, practical terms. You'll learn why scan quality varies dramatically (a major source of user frustration), how OCR technology works and its limitations, the critical difference between simple image scans and searchable PDFs, security considerations when using mobile scanning apps, and realistic expectations about what scanning can and cannot achieve. What is Scan to PDF? Scan to PDF is the process of converting physical pap...