SignaByte

Digital signing extension for documents

SignaByte - Professional Digital Signature Extension Transform your browser into a powerful digital signing platform. SignaByte enables secure document signing directly from any website using your existing digital certificates, smart cards, or USB tokens - no Java installation required. 🔐 KEY FEATURES: • One-click digital document signing from any web page • Full support for Windows Certificate Store & macOS Keychain • Smart card and USB token integration (PKCS#11 compatible) • JSON data signing with optional API validation • Real-time certificate validation and expiry checking • Cross-platform native applications (Windows, macOS, Linux) 🚀 PERFECT FOR: • Legal professionals signing contracts and documents • Businesses requiring secure document authentication • Government agencies and compliance workflows • Developers integrating signature APIs • Financial services and e-commerce platforms • Enterprise document management systems ✅ ENTERPRISE-READY: • Industry-standard RSA-SHA256 cryptographic algorithms • Secure native messaging with comprehensive validation • Professional certificate management and selection • Built-in testing interface for developers • Comprehensive error handling and diagnostics 🛡️ SECURITY & COMPLIANCE: • No sensitive data stored in browser • Encrypted communication between extension and native apps • Certificate chain validation and trust verification • Audit trail and logging capabilities • Meets enterprise security requirements EASY SETUP: 1. Install extension 2. Download native app for your platform 3. Start signing documents instantly Developed by Chartered Information Systems Pvt. Ltd., India - trusted by enterprises worldwide for secure digital signature solutions. Compatible with Chrome 88+, Edge 88+, Windows 10/11, and macOS 10.14+.