PaperVault:紙境

A-Fu Design

About this app

🎫PaperVault: A Privacy-Defining Offline Vault for Physical Tickets, Invoices, and ID Cards

Have your precious concert tickets, exhibition stubs, travel tickets, receipts, invoices, or confidential documents faded or lost over time?

PaperVault: A privacy-focused AI visual scanning tool designed for privacy-conscious journal enthusiasts and digital organizers. All image processing, text extraction, and data storage are 100% completed locally on your mobile phone, without uploading to any cloud servers, protecting every precious memory and confidential document.

✨ Key Features:

📸【Ultimate On-Demand AI Visual Scanning】

• Automatic Edge Detection and Cropping: Point the camera at tickets, receipts, or ID cards, and instantly and accurately capture edges and correct perspective.

• Smart Image Enhancement: Built-in high-contrast black and white, shadow removal, and sharpening filters restore clear details to old or creased documents.

🔍【100% Offline OCR Text Extraction】

• Recognizes event names, dates, times, and amounts on tickets instantly, even on airplanes or offline. No internet connection is required.

• Smart Entity Classification: Automatically identifies ticket types (concerts, movies, transportation, exhibitions, invoices, etc.) and automatically archives them.

🎞️【Instax-Style Journal Card Synthesis】

• Combines scanned physical ticket stubs with your exhibition photos and personal reflections into artsy, Polaroid-style cards.

• Exports high-quality image cards with one click, easily sharing to Instagram, Threads, Facebook, or your personal journaling community.

⏳【Footprint Time Capsule and Spending Analysis】

• Timeline: Review your life trajectory and wonderful journeys by time and category.

• Expenditure and Statistics Dashboard: Automatically summarizes ticket and receipt amounts, clearly showing the distribution of entertainment, performance, and daily expenses.

🛡️【Military-Grade Privacy and Security Protection】

• Local Encrypted Database: Employs SQLCipher AES-256-bit military-grade encryption to prevent malicious access to your data.

• Biometric Lock: Supports fingerprint and facial recognition, providing one-click protection for your privacy.

• Anti-Screenshot Leakage Mechanism: Automatically obscures system screenshots and multi-window previews when security protection is enabled.

• Self-Backup and Synchronization: Supports exporting password-protected .vault backup files or configuring self-hosted WebDAV private synchronization, ensuring complete control over your data.

🌱 Our Privacy Commitment: No cloud tracking, no data collection, no third-party analytics code. Your ticket journal and personal data will always belong only to your device.

Download PaperVault now and let every piece of physical paper, carrying warmth, bloom eternally in the digital world!