crypt.fyi - A zero-knowledge, end-to-end encrypted secret sharing platform that enables secure transmission of sensitive information.

Features

• 🔐 End-to-end encryption using AES-256-GCM
• 🛡️ Strict Content Security Policy (CSP) to prevent XSS attacks and unauthorized resource loading
• 🛡️ Strict rate limits to mitigate brute-force attacks
• 🤫 Zero-knowledge architecture - server never sees unencrypted data or decryption keys
• 🔥 Burn after reading w/ provisions to prevent erroneous burns from bots or url introspection
• ⏰ Automatic expiration (Time-To-Live)
• 🗝️ Password protection
• 📁 File sharing support w/ drag and drop
• 🪝 Webhook notifications for read success, read failure, and burn events
• 🌐 IP/CIDR allow-listing
• 🔢 Read count limits
• 📱 QR code generation
• ⌨️ CLI for interacting with the API
• 🧩 Chrome Extension
• 🐳 Docker images for the api server and web client
• 🌐 Localization with a handful of supported languages (more to come - help wanted!)