VaultPDF Lite – Secure Offline PDF Vault v3.0 Protect sensitive documents with a secure, 100% offline vault. No cloud, no tracking – your files never leave your device. VaultPDF Lite is a one-time purchase with no subscription. A 7-day free trial is available through the Microsoft Store. WHAT IT DOES: • Secure vault with DPAPI-protected encryption + PBKDF2 password-derived keys and backup/recovery flow • Scan, import, OCR, and organize PDFs with progress dialog and language packs • SHA256 content hashing to prevent duplicates • Audit log, reports, and secure export • Drag & drop, keyboard shortcuts, high-contrast and accessible UI SECURITY FIRST: • Local storage under LOCALAPPDATA\VaultPDFLite – no cloud upload • Encryption state clearly shown, confirmation before unencrypted storage • Diagnostics log scrubbing for privacy • Backup wizard verifies recovery TRIAL DETAILS: This is a paid app. The Store provides a 7-day time-limited trial. The trial version is limited to 3 operations per day. Full unlimited access requires purchase. Built with PySide6 for Windows 10/11, MSIX ready. Support: See diagnostics.log (scrubbed) for troubleshooting. Privacy: 100% offline, no data collection.