PQ | Secure | Messenger A zero-knowledge, post-quantum encrypted messaging platform. Messages are encrypted and decrypted entirely in your browser using ML-KEM-768 (NIST-standardized post-quantum key encapsulation), HKDF-SHA256, and AES-256-GCM. The server never sees your keys or plaintext. Features Encryption & Sharing Text messages — Write a secret message, get a share link. The secret key is embedded in the URL. No pre-shared keys needed, no accounts required. File uploads — Encrypt ...