Ruler vs LockBox

A simple AR ruler for length and area measurements.

App Description LockBox is a professional platform for digital content encryption, licensing, and secure playback. It is designed for creators, educational institutions, businesses, and digital content publishers. Protect, distribute, authorize, and securely play your videos, images, and PDF files with an all-in-one content protection solution. Secure Playback Experience Supports smooth playback of videos up to 8K resolution. Real-time backend decryption during playback helps protect original content. Supports local files, online files, and cloud storage files. Optimized for large files with fast loading and smooth playback. Professional Encryption Supports video encryption. Supports image encryption. Supports PDF encryption. Supports folder encryption. Supports batch encryption. Package multiple files into a single encrypted archive for easier management and distribution. Advanced Security Protection Provides multiple layers of security to help reduce the risk of unauthorized access, recording, and content distribution. Supports screen recording protection. Supports runtime environment security detection. Supports capture device risk protection. Supports secure backend encryption. Supports license verification. Flexible Licensing Supports category license codes. Supports file license codes. Supports device quantity limits. Supports platform-specific authorization. Supports license expiration settings. Supports WeChat verification. Designed to meet a wide range of digital content distribution and management requirements. Business Features Supports membership management. Supports self-service purchases. Supports e-commerce platform integration. Helps creators and businesses build efficient digital content sales and distribution solutions. Cross-Platform Support Enjoy a consistent and secure experience across multiple platforms. Ideal For Online courses. Corporate training. Digital learning materials. Photography portfolios. Design assets. Business documents. Digital copyright protection. Private file management. Why Choose LockBox Professional digital content protection. High-performance media playback. Flexible licensing management. Comprehensive security protection. Whether you are an independent creator, an educational institution, or an enterprise, LockBox helps you protect, manage, and distribute your digital content more securely and efficiently.