VERNAM

VERNAM is a browser-based file encryption tool that enables users to encrypt and decrypt files without any data leaving their device. It employs modern cryptographic techniques, specifically XChaCha20-Poly1305 and Argon2id, ensuring strong security without the need for cloud services or user accounts. Key features include support for any file size, tamper-evidence, and complete open-source availability, allowing users to host their own copies and contribute to the project.